./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 23:44:21,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 23:44:21,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 23:44:21,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 23:44:21,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 23:44:21,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 23:44:21,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 23:44:21,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 23:44:21,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 23:44:21,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 23:44:21,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 23:44:21,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 23:44:21,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 23:44:21,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 23:44:21,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 23:44:21,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 23:44:21,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 23:44:21,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 23:44:21,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 23:44:21,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 23:44:21,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 23:44:21,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 23:44:21,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 23:44:21,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 23:44:21,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 23:44:21,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 23:44:21,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 23:44:21,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 23:44:21,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 23:44:21,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 23:44:21,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 23:44:21,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 23:44:21,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 23:44:21,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 23:44:21,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 23:44:21,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 23:44:21,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 23:44:21,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 23:44:21,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 23:44:21,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 23:44:21,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 23:44:21,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 23:44:21,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 23:44:21,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 23:44:21,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 23:44:21,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 23:44:21,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 23:44:21,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 23:44:21,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 23:44:21,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 23:44:21,772 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 23:44:21,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 23:44:21,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 23:44:21,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 23:44:21,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 23:44:21,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 23:44:21,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 23:44:21,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 23:44:21,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 23:44:21,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 23:44:21,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 23:44:21,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 23:44:21,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 23:44:21,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 23:44:21,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 23:44:21,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 23:44:21,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 23:44:21,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 23:44:21,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2021-11-16 23:44:21,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 23:44:21,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 23:44:21,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 23:44:21,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 23:44:21,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 23:44:21,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-11-16 23:44:22,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df98f6e03/6b78c2e0b00944aaa9214beb2d94bc1e/FLAG382eb4ec8 [2021-11-16 23:44:22,543 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 23:44:22,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-11-16 23:44:22,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df98f6e03/6b78c2e0b00944aaa9214beb2d94bc1e/FLAG382eb4ec8 [2021-11-16 23:44:22,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df98f6e03/6b78c2e0b00944aaa9214beb2d94bc1e [2021-11-16 23:44:22,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 23:44:22,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 23:44:22,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 23:44:22,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 23:44:22,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 23:44:22,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:22" (1/1) ... [2021-11-16 23:44:22,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bde91cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:22, skipping insertion in model container [2021-11-16 23:44:22,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:22" (1/1) ... [2021-11-16 23:44:22,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 23:44:22,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 23:44:23,459 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2021-11-16 23:44:23,508 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 23:44:23,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 23:44:23,703 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2021-11-16 23:44:23,721 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 23:44:23,752 INFO L208 MainTranslator]: Completed translation [2021-11-16 23:44:23,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23 WrapperNode [2021-11-16 23:44:23,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 23:44:23,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 23:44:23,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 23:44:23,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 23:44:23,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,869 INFO L137 Inliner]: procedures = 161, calls = 836, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1100 [2021-11-16 23:44:23,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 23:44:23,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 23:44:23,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 23:44:23,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 23:44:23,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:23,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:24,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:24,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 23:44:24,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 23:44:24,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 23:44:24,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 23:44:24,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (1/1) ... [2021-11-16 23:44:24,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 23:44:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:24,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-16 23:44:24,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-16 23:44:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-16 23:44:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-16 23:44:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2021-11-16 23:44:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2021-11-16 23:44:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-16 23:44:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-16 23:44:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-16 23:44:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-16 23:44:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-16 23:44:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-16 23:44:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-16 23:44:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2021-11-16 23:44:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2021-11-16 23:44:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2021-11-16 23:44:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2021-11-16 23:44:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 23:44:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-11-16 23:44:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-11-16 23:44:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2021-11-16 23:44:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2021-11-16 23:44:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-16 23:44:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-16 23:44:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 23:44:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 23:44:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2021-11-16 23:44:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2021-11-16 23:44:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2021-11-16 23:44:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2021-11-16 23:44:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-16 23:44:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-16 23:44:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 23:44:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 23:44:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 23:44:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-16 23:44:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-16 23:44:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-16 23:44:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-16 23:44:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2021-11-16 23:44:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2021-11-16 23:44:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2021-11-16 23:44:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2021-11-16 23:44:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 23:44:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-16 23:44:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-16 23:44:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 23:44:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-16 23:44:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-16 23:44:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 23:44:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 23:44:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2021-11-16 23:44:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2021-11-16 23:44:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2021-11-16 23:44:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2021-11-16 23:44:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2021-11-16 23:44:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2021-11-16 23:44:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 23:44:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2021-11-16 23:44:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2021-11-16 23:44:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2021-11-16 23:44:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2021-11-16 23:44:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2021-11-16 23:44:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2021-11-16 23:44:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-16 23:44:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-16 23:44:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 23:44:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 23:44:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-16 23:44:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-16 23:44:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-16 23:44:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-16 23:44:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-16 23:44:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-16 23:44:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-16 23:44:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-16 23:44:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2021-11-16 23:44:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2021-11-16 23:44:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2021-11-16 23:44:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2021-11-16 23:44:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 23:44:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2021-11-16 23:44:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2021-11-16 23:44:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 23:44:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 23:44:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-16 23:44:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-16 23:44:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2021-11-16 23:44:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2021-11-16 23:44:24,393 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 23:44:24,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 23:44:26,499 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 23:44:26,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 23:44:26,526 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-16 23:44:26,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:26 BoogieIcfgContainer [2021-11-16 23:44:26,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 23:44:26,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 23:44:26,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 23:44:26,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 23:44:26,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:22" (1/3) ... [2021-11-16 23:44:26,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3187a78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:26, skipping insertion in model container [2021-11-16 23:44:26,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:23" (2/3) ... [2021-11-16 23:44:26,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3187a78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:26, skipping insertion in model container [2021-11-16 23:44:26,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:26" (3/3) ... [2021-11-16 23:44:26,536 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-11-16 23:44:26,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 23:44:26,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 23:44:26,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 23:44:26,588 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 23:44:26,588 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 23:44:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 500 states, 351 states have (on average 1.339031339031339) internal successors, (470), 365 states have internal predecessors, (470), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2021-11-16 23:44:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-16 23:44:26,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:26,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:26,625 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1807402522, now seen corresponding path program 1 times [2021-11-16 23:44:26,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:26,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363127209] [2021-11-16 23:44:26,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:26,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:26,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:26,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363127209] [2021-11-16 23:44:26,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363127209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:26,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:44:26,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-16 23:44:26,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691182656] [2021-11-16 23:44:26,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:26,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:26,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:26,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:26,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:26,991 INFO L87 Difference]: Start difference. First operand has 500 states, 351 states have (on average 1.339031339031339) internal successors, (470), 365 states have internal predecessors, (470), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:27,158 INFO L93 Difference]: Finished difference Result 1372 states and 1941 transitions. [2021-11-16 23:44:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:27,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-16 23:44:27,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:27,173 INFO L225 Difference]: With dead ends: 1372 [2021-11-16 23:44:27,173 INFO L226 Difference]: Without dead ends: 867 [2021-11-16 23:44:27,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,181 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 515 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:27,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 1597 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-11-16 23:44:27,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 853. [2021-11-16 23:44:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 601 states have (on average 1.3277870216306156) internal successors, (798), 614 states have internal predecessors, (798), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2021-11-16 23:44:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1166 transitions. [2021-11-16 23:44:27,253 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1166 transitions. Word has length 16 [2021-11-16 23:44:27,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:27,253 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1166 transitions. [2021-11-16 23:44:27,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1166 transitions. [2021-11-16 23:44:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-16 23:44:27,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:27,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:27,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 23:44:27,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2052204385, now seen corresponding path program 1 times [2021-11-16 23:44:27,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:27,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448102540] [2021-11-16 23:44:27,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:27,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:27,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:27,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448102540] [2021-11-16 23:44:27,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448102540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:27,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:44:27,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-16 23:44:27,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244873931] [2021-11-16 23:44:27,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:27,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:27,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:27,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,311 INFO L87 Difference]: Start difference. First operand 853 states and 1166 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:27,342 INFO L93 Difference]: Finished difference Result 1703 states and 2329 transitions. [2021-11-16 23:44:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:27,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-16 23:44:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:27,346 INFO L225 Difference]: With dead ends: 1703 [2021-11-16 23:44:27,347 INFO L226 Difference]: Without dead ends: 853 [2021-11-16 23:44:27,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,350 INFO L933 BasicCegarLoop]: 667 mSDtfsCounter, 658 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:27,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 667 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:27,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2021-11-16 23:44:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2021-11-16 23:44:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 601 states have (on average 1.324459234608985) internal successors, (796), 614 states have internal predecessors, (796), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2021-11-16 23:44:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1164 transitions. [2021-11-16 23:44:27,377 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1164 transitions. Word has length 18 [2021-11-16 23:44:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:27,378 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1164 transitions. [2021-11-16 23:44:27,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1164 transitions. [2021-11-16 23:44:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-16 23:44:27,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:27,379 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:27,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 23:44:27,379 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:27,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:27,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1303897293, now seen corresponding path program 1 times [2021-11-16 23:44:27,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:27,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43824185] [2021-11-16 23:44:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:27,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 23:44:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:27,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:27,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43824185] [2021-11-16 23:44:27,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43824185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:27,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:44:27,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-16 23:44:27,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701955985] [2021-11-16 23:44:27,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:27,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:27,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:27,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:27,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,432 INFO L87 Difference]: Start difference. First operand 853 states and 1164 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 23:44:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:27,577 INFO L93 Difference]: Finished difference Result 2047 states and 2785 transitions. [2021-11-16 23:44:27,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:27,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-16 23:44:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:27,583 INFO L225 Difference]: With dead ends: 2047 [2021-11-16 23:44:27,583 INFO L226 Difference]: Without dead ends: 1197 [2021-11-16 23:44:27,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,588 INFO L933 BasicCegarLoop]: 1064 mSDtfsCounter, 624 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:27,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 1520 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 23:44:27,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2021-11-16 23:44:27,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1173. [2021-11-16 23:44:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 819 states have (on average 1.3223443223443223) internal successors, (1083), 836 states have internal predecessors, (1083), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2021-11-16 23:44:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1593 transitions. [2021-11-16 23:44:27,663 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1593 transitions. Word has length 22 [2021-11-16 23:44:27,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:27,664 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1593 transitions. [2021-11-16 23:44:27,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 23:44:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1593 transitions. [2021-11-16 23:44:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-16 23:44:27,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:27,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:27,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 23:44:27,666 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:27,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1871947068, now seen corresponding path program 1 times [2021-11-16 23:44:27,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:27,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597645609] [2021-11-16 23:44:27,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:27,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:27,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:27,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597645609] [2021-11-16 23:44:27,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597645609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:27,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:44:27,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-16 23:44:27,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611274443] [2021-11-16 23:44:27,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:27,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:27,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:27,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:27,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,715 INFO L87 Difference]: Start difference. First operand 1173 states and 1593 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:27,892 INFO L93 Difference]: Finished difference Result 2359 states and 3207 transitions. [2021-11-16 23:44:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:27,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-16 23:44:27,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:27,898 INFO L225 Difference]: With dead ends: 2359 [2021-11-16 23:44:27,899 INFO L226 Difference]: Without dead ends: 1189 [2021-11-16 23:44:27,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 23:44:27,908 INFO L933 BasicCegarLoop]: 664 mSDtfsCounter, 10 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:27,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 1326 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 23:44:27,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2021-11-16 23:44:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1175. [2021-11-16 23:44:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 821 states have (on average 1.3215590742996346) internal successors, (1085), 838 states have internal predecessors, (1085), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2021-11-16 23:44:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1595 transitions. [2021-11-16 23:44:27,948 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1595 transitions. Word has length 25 [2021-11-16 23:44:27,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:27,948 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 1595 transitions. [2021-11-16 23:44:27,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1595 transitions. [2021-11-16 23:44:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-16 23:44:27,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:27,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:27,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 23:44:27,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:27,953 INFO L85 PathProgramCache]: Analyzing trace with hash -354644035, now seen corresponding path program 1 times [2021-11-16 23:44:27,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:27,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70721790] [2021-11-16 23:44:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:27,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:28,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:28,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70721790] [2021-11-16 23:44:28,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70721790] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:28,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193109858] [2021-11-16 23:44:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:28,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:28,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:28,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 23:44:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:28,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 23:44:28,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:28,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:28,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193109858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:28,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:28,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:28,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243522555] [2021-11-16 23:44:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:28,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:28,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:28,374 INFO L87 Difference]: Start difference. First operand 1175 states and 1595 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:28,416 INFO L93 Difference]: Finished difference Result 2385 states and 3247 transitions. [2021-11-16 23:44:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:28,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-16 23:44:28,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:28,421 INFO L225 Difference]: With dead ends: 2385 [2021-11-16 23:44:28,421 INFO L226 Difference]: Without dead ends: 1213 [2021-11-16 23:44:28,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:28,425 INFO L933 BasicCegarLoop]: 680 mSDtfsCounter, 16 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:28,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 1341 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:28,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-11-16 23:44:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1179. [2021-11-16 23:44:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 825 states have (on average 1.32) internal successors, (1089), 842 states have internal predecessors, (1089), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2021-11-16 23:44:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1599 transitions. [2021-11-16 23:44:28,489 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1599 transitions. Word has length 29 [2021-11-16 23:44:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:28,489 INFO L470 AbstractCegarLoop]: Abstraction has 1179 states and 1599 transitions. [2021-11-16 23:44:28,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1599 transitions. [2021-11-16 23:44:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-16 23:44:28,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:28,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:28,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:28,709 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 [2021-11-16 23:44:28,709 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:28,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash -180222204, now seen corresponding path program 1 times [2021-11-16 23:44:28,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:28,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263038173] [2021-11-16 23:44:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:28,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:28,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263038173] [2021-11-16 23:44:28,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263038173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:28,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629635365] [2021-11-16 23:44:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:28,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:28,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:28,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-16 23:44:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:29,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:29,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:29,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:29,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629635365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:29,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:29,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:29,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973543735] [2021-11-16 23:44:29,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:29,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:29,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:29,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:29,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:29,075 INFO L87 Difference]: Start difference. First operand 1179 states and 1599 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:29,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:29,151 INFO L93 Difference]: Finished difference Result 3479 states and 4709 transitions. [2021-11-16 23:44:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:29,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-16 23:44:29,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:29,162 INFO L225 Difference]: With dead ends: 3479 [2021-11-16 23:44:29,163 INFO L226 Difference]: Without dead ends: 2303 [2021-11-16 23:44:29,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:29,169 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 634 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:29,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1411 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2021-11-16 23:44:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1882. [2021-11-16 23:44:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1311 states have (on average 1.3127383676582762) internal successors, (1721), 1336 states have internal predecessors, (1721), 414 states have call successors, (414), 157 states have call predecessors, (414), 156 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2021-11-16 23:44:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2543 transitions. [2021-11-16 23:44:29,239 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2543 transitions. Word has length 33 [2021-11-16 23:44:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:29,239 INFO L470 AbstractCegarLoop]: Abstraction has 1882 states and 2543 transitions. [2021-11-16 23:44:29,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:44:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2543 transitions. [2021-11-16 23:44:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-16 23:44:29,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:29,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:29,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:29,460 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,SelfDestructingSolverStorable5 [2021-11-16 23:44:29,460 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:29,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:29,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1948802419, now seen corresponding path program 1 times [2021-11-16 23:44:29,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:29,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011776227] [2021-11-16 23:44:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:29,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 23:44:29,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:29,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011776227] [2021-11-16 23:44:29,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011776227] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:29,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298755919] [2021-11-16 23:44:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:29,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:29,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:29,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:29,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-16 23:44:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:29,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:29,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:29,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:29,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298755919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:29,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:29,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:29,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083200626] [2021-11-16 23:44:29,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:29,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:29,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:29,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:29,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:29,804 INFO L87 Difference]: Start difference. First operand 1882 states and 2543 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 23:44:29,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:29,863 INFO L93 Difference]: Finished difference Result 4183 states and 5749 transitions. [2021-11-16 23:44:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:29,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-11-16 23:44:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:29,874 INFO L225 Difference]: With dead ends: 4183 [2021-11-16 23:44:29,874 INFO L226 Difference]: Without dead ends: 2304 [2021-11-16 23:44:29,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:29,882 INFO L933 BasicCegarLoop]: 733 mSDtfsCounter, 179 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:29,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 1379 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2021-11-16 23:44:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 1915. [2021-11-16 23:44:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1336 states have (on average 1.31437125748503) internal successors, (1756), 1361 states have internal predecessors, (1756), 422 states have call successors, (422), 157 states have call predecessors, (422), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-16 23:44:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2594 transitions. [2021-11-16 23:44:29,970 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2594 transitions. Word has length 34 [2021-11-16 23:44:29,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:29,971 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2594 transitions. [2021-11-16 23:44:29,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 23:44:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2594 transitions. [2021-11-16 23:44:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-16 23:44:29,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:29,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:30,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:30,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:30,211 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1679063066, now seen corresponding path program 1 times [2021-11-16 23:44:30,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:30,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054043931] [2021-11-16 23:44:30,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:30,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:30,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:30,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054043931] [2021-11-16 23:44:30,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054043931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:30,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087046699] [2021-11-16 23:44:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:30,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:30,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:30,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-16 23:44:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:30,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:30,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:30,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:30,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087046699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:30,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:30,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:30,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172412853] [2021-11-16 23:44:30,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:30,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:30,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:30,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:30,616 INFO L87 Difference]: Start difference. First operand 1915 states and 2594 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:30,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:30,668 INFO L93 Difference]: Finished difference Result 1937 states and 2620 transitions. [2021-11-16 23:44:30,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:30,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-16 23:44:30,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:30,675 INFO L225 Difference]: With dead ends: 1937 [2021-11-16 23:44:30,675 INFO L226 Difference]: Without dead ends: 1926 [2021-11-16 23:44:30,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:30,676 INFO L933 BasicCegarLoop]: 680 mSDtfsCounter, 663 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:30,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [663 Valid, 693 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:30,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2021-11-16 23:44:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1915. [2021-11-16 23:44:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1336 states have (on average 1.313622754491018) internal successors, (1755), 1361 states have internal predecessors, (1755), 422 states have call successors, (422), 157 states have call predecessors, (422), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-16 23:44:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2593 transitions. [2021-11-16 23:44:30,730 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2593 transitions. Word has length 43 [2021-11-16 23:44:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:30,730 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2593 transitions. [2021-11-16 23:44:30,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2593 transitions. [2021-11-16 23:44:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-16 23:44:30,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:30,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:30,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:30,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:30,950 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1736321368, now seen corresponding path program 1 times [2021-11-16 23:44:30,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:30,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042644671] [2021-11-16 23:44:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:30,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:31,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:31,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042644671] [2021-11-16 23:44:31,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042644671] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:31,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872119234] [2021-11-16 23:44:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:31,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:31,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:31,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:31,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-16 23:44:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:31,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:31,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:31,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872119234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:31,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:31,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:31,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176812878] [2021-11-16 23:44:31,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:31,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:31,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:31,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:31,341 INFO L87 Difference]: Start difference. First operand 1915 states and 2593 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:31,487 INFO L93 Difference]: Finished difference Result 1917 states and 2594 transitions. [2021-11-16 23:44:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:31,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-16 23:44:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:31,495 INFO L225 Difference]: With dead ends: 1917 [2021-11-16 23:44:31,495 INFO L226 Difference]: Without dead ends: 1914 [2021-11-16 23:44:31,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:31,497 INFO L933 BasicCegarLoop]: 665 mSDtfsCounter, 626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:31,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 665 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 23:44:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2021-11-16 23:44:31,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1914. [2021-11-16 23:44:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1336 states have (on average 1.312874251497006) internal successors, (1754), 1360 states have internal predecessors, (1754), 421 states have call successors, (421), 157 states have call predecessors, (421), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-16 23:44:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2591 transitions. [2021-11-16 23:44:31,560 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2591 transitions. Word has length 43 [2021-11-16 23:44:31,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:31,560 INFO L470 AbstractCegarLoop]: Abstraction has 1914 states and 2591 transitions. [2021-11-16 23:44:31,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2591 transitions. [2021-11-16 23:44:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-16 23:44:31,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:31,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:31,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:31,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:31,774 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:31,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2008913752, now seen corresponding path program 1 times [2021-11-16 23:44:31,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:31,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336872700] [2021-11-16 23:44:31,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:31,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:31,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:31,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336872700] [2021-11-16 23:44:31,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336872700] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:31,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75004810] [2021-11-16 23:44:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:31,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:31,844 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:31,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-16 23:44:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:32,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:32,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:32,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:32,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75004810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:32,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:32,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:32,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422775358] [2021-11-16 23:44:32,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:32,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:32,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:32,219 INFO L87 Difference]: Start difference. First operand 1914 states and 2591 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:32,498 INFO L93 Difference]: Finished difference Result 1916 states and 2592 transitions. [2021-11-16 23:44:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:32,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2021-11-16 23:44:32,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:32,505 INFO L225 Difference]: With dead ends: 1916 [2021-11-16 23:44:32,505 INFO L226 Difference]: Without dead ends: 1913 [2021-11-16 23:44:32,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:32,507 INFO L933 BasicCegarLoop]: 663 mSDtfsCounter, 623 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:32,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [623 Valid, 663 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-16 23:44:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2021-11-16 23:44:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1913. [2021-11-16 23:44:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1336 states have (on average 1.312125748502994) internal successors, (1753), 1359 states have internal predecessors, (1753), 420 states have call successors, (420), 157 states have call predecessors, (420), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-16 23:44:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2589 transitions. [2021-11-16 23:44:32,559 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2589 transitions. Word has length 44 [2021-11-16 23:44:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:32,560 INFO L470 AbstractCegarLoop]: Abstraction has 1913 states and 2589 transitions. [2021-11-16 23:44:32,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2589 transitions. [2021-11-16 23:44:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-16 23:44:32,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:32,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:32,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:32,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:32,775 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:32,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:32,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2147080613, now seen corresponding path program 1 times [2021-11-16 23:44:32,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:32,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177948052] [2021-11-16 23:44:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:32,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:32,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:32,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177948052] [2021-11-16 23:44:32,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177948052] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:32,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648422354] [2021-11-16 23:44:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:32,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:32,876 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:32,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-16 23:44:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:33,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:33,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:33,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:33,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648422354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:33,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:33,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:33,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34171025] [2021-11-16 23:44:33,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:33,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:33,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:33,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:33,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:33,208 INFO L87 Difference]: Start difference. First operand 1913 states and 2589 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:33,365 INFO L93 Difference]: Finished difference Result 1915 states and 2590 transitions. [2021-11-16 23:44:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:33,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2021-11-16 23:44:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:33,372 INFO L225 Difference]: With dead ends: 1915 [2021-11-16 23:44:33,372 INFO L226 Difference]: Without dead ends: 1912 [2021-11-16 23:44:33,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:33,373 INFO L933 BasicCegarLoop]: 661 mSDtfsCounter, 620 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:33,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 661 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 23:44:33,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2021-11-16 23:44:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2021-11-16 23:44:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1336 states have (on average 1.311377245508982) internal successors, (1752), 1358 states have internal predecessors, (1752), 419 states have call successors, (419), 157 states have call predecessors, (419), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-16 23:44:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2587 transitions. [2021-11-16 23:44:33,428 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2587 transitions. Word has length 45 [2021-11-16 23:44:33,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:33,428 INFO L470 AbstractCegarLoop]: Abstraction has 1912 states and 2587 transitions. [2021-11-16 23:44:33,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2587 transitions. [2021-11-16 23:44:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-16 23:44:33,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:33,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:33,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:33,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:33,647 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:33,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2135281141, now seen corresponding path program 1 times [2021-11-16 23:44:33,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:33,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695680762] [2021-11-16 23:44:33,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:33,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:33,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:33,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695680762] [2021-11-16 23:44:33,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695680762] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:33,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742050346] [2021-11-16 23:44:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:33,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:33,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:33,736 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:33,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-16 23:44:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:33,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:33,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:34,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:34,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742050346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:34,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:34,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-16 23:44:34,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525886712] [2021-11-16 23:44:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:34,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:34,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:34,088 INFO L87 Difference]: Start difference. First operand 1912 states and 2587 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:34,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:34,254 INFO L93 Difference]: Finished difference Result 2299 states and 3086 transitions. [2021-11-16 23:44:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:34,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-16 23:44:34,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:34,262 INFO L225 Difference]: With dead ends: 2299 [2021-11-16 23:44:34,262 INFO L226 Difference]: Without dead ends: 2267 [2021-11-16 23:44:34,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:44:34,263 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 555 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:34,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [555 Valid, 1200 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 23:44:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2021-11-16 23:44:34,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2267. [2021-11-16 23:44:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 1564 states have (on average 1.2979539641943734) internal successors, (2030), 1588 states have internal predecessors, (2030), 508 states have call successors, (508), 195 states have call predecessors, (508), 194 states have return successors, (507), 507 states have call predecessors, (507), 507 states have call successors, (507) [2021-11-16 23:44:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3045 transitions. [2021-11-16 23:44:34,377 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3045 transitions. Word has length 46 [2021-11-16 23:44:34,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:34,378 INFO L470 AbstractCegarLoop]: Abstraction has 2267 states and 3045 transitions. [2021-11-16 23:44:34,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-16 23:44:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3045 transitions. [2021-11-16 23:44:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-16 23:44:34,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:34,381 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:34,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:34,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-16 23:44:34,600 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:34,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1978167230, now seen corresponding path program 1 times [2021-11-16 23:44:34,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:34,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43956938] [2021-11-16 23:44:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:34,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 23:44:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-16 23:44:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:34,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:34,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43956938] [2021-11-16 23:44:34,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43956938] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:34,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345678882] [2021-11-16 23:44:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:34,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:34,673 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:34,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-16 23:44:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:34,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 23:44:34,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 23:44:35,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:35,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345678882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:35,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:35,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-16 23:44:35,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570558769] [2021-11-16 23:44:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:35,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:35,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:35,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:35,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:44:35,042 INFO L87 Difference]: Start difference. First operand 2267 states and 3045 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-16 23:44:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:35,165 INFO L93 Difference]: Finished difference Result 5808 states and 7772 transitions. [2021-11-16 23:44:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:35,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2021-11-16 23:44:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:35,178 INFO L225 Difference]: With dead ends: 5808 [2021-11-16 23:44:35,178 INFO L226 Difference]: Without dead ends: 3544 [2021-11-16 23:44:35,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:44:35,188 INFO L933 BasicCegarLoop]: 703 mSDtfsCounter, 580 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:35,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 1276 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:35,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2021-11-16 23:44:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3541. [2021-11-16 23:44:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2444 states have (on average 1.2925531914893618) internal successors, (3159), 2480 states have internal predecessors, (3159), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2021-11-16 23:44:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4716 transitions. [2021-11-16 23:44:35,309 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4716 transitions. Word has length 64 [2021-11-16 23:44:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:35,310 INFO L470 AbstractCegarLoop]: Abstraction has 3541 states and 4716 transitions. [2021-11-16 23:44:35,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-16 23:44:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4716 transitions. [2021-11-16 23:44:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-16 23:44:35,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:35,318 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:35,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-16 23:44:35,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-16 23:44:35,536 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2028751977, now seen corresponding path program 1 times [2021-11-16 23:44:35,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:35,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502556621] [2021-11-16 23:44:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:35,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-16 23:44:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-16 23:44:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 23:44:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 23:44:35,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:35,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502556621] [2021-11-16 23:44:35,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502556621] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:35,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756694993] [2021-11-16 23:44:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:35,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:35,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:35,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:35,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-16 23:44:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:36,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 23:44:36,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:36,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756694993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:36,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:36,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-16 23:44:36,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44181776] [2021-11-16 23:44:36,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:36,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:36,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:36,289 INFO L87 Difference]: Start difference. First operand 3541 states and 4716 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 23:44:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:36,374 INFO L93 Difference]: Finished difference Result 7127 states and 9636 transitions. [2021-11-16 23:44:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2021-11-16 23:44:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:36,388 INFO L225 Difference]: With dead ends: 7127 [2021-11-16 23:44:36,388 INFO L226 Difference]: Without dead ends: 3589 [2021-11-16 23:44:36,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:36,398 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 3 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:36,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 1257 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2021-11-16 23:44:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3553. [2021-11-16 23:44:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2456 states have (on average 1.2911237785016287) internal successors, (3171), 2492 states have internal predecessors, (3171), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2021-11-16 23:44:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 4728 transitions. [2021-11-16 23:44:36,497 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 4728 transitions. Word has length 123 [2021-11-16 23:44:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:36,497 INFO L470 AbstractCegarLoop]: Abstraction has 3553 states and 4728 transitions. [2021-11-16 23:44:36,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 23:44:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 4728 transitions. [2021-11-16 23:44:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-16 23:44:36,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:36,502 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:44:36,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:36,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-16 23:44:36,720 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1338585422, now seen corresponding path program 1 times [2021-11-16 23:44:36,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:36,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360017320] [2021-11-16 23:44:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:36,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-16 23:44:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-16 23:44:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 23:44:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 23:44:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-16 23:44:37,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:37,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360017320] [2021-11-16 23:44:37,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360017320] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:37,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360071169] [2021-11-16 23:44:37,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:37,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:37,018 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:37,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-16 23:44:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:37,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:37,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-16 23:44:37,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:37,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360071169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:37,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:37,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-16 23:44:37,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750494523] [2021-11-16 23:44:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:37,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:37,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:37,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:37,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:37,639 INFO L87 Difference]: Start difference. First operand 3553 states and 4728 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-16 23:44:37,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:37,943 INFO L93 Difference]: Finished difference Result 7151 states and 9645 transitions. [2021-11-16 23:44:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2021-11-16 23:44:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:37,966 INFO L225 Difference]: With dead ends: 7151 [2021-11-16 23:44:37,966 INFO L226 Difference]: Without dead ends: 3601 [2021-11-16 23:44:37,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:37,978 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 3 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:37,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1259 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-16 23:44:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2021-11-16 23:44:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 3565. [2021-11-16 23:44:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 2468 states have (on average 1.289708265802269) internal successors, (3183), 2504 states have internal predecessors, (3183), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2021-11-16 23:44:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4740 transitions. [2021-11-16 23:44:38,133 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4740 transitions. Word has length 173 [2021-11-16 23:44:38,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:38,134 INFO L470 AbstractCegarLoop]: Abstraction has 3565 states and 4740 transitions. [2021-11-16 23:44:38,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-16 23:44:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4740 transitions. [2021-11-16 23:44:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-16 23:44:38,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:38,138 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:44:38,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:38,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-16 23:44:38,355 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:38,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:38,356 INFO L85 PathProgramCache]: Analyzing trace with hash -350358320, now seen corresponding path program 1 times [2021-11-16 23:44:38,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:38,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651563004] [2021-11-16 23:44:38,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:38,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 23:44:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 23:44:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-16 23:44:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-16 23:44:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-16 23:44:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 23:44:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-16 23:44:38,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:38,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651563004] [2021-11-16 23:44:38,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651563004] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:38,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949394525] [2021-11-16 23:44:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:38,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:38,564 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:38,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-16 23:44:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:38,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 1861 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:38,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-16 23:44:39,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:44:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-16 23:44:39,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949394525] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 23:44:39,468 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 23:44:39,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2021-11-16 23:44:39,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910188584] [2021-11-16 23:44:39,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 23:44:39,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-16 23:44:39,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:39,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-16 23:44:39,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-16 23:44:39,470 INFO L87 Difference]: Start difference. First operand 3565 states and 4740 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-16 23:44:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:49,142 INFO L93 Difference]: Finished difference Result 7446 states and 10138 transitions. [2021-11-16 23:44:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-16 23:44:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 173 [2021-11-16 23:44:49,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:49,159 INFO L225 Difference]: With dead ends: 7446 [2021-11-16 23:44:49,159 INFO L226 Difference]: Without dead ends: 3884 [2021-11-16 23:44:49,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-16 23:44:49,172 INFO L933 BasicCegarLoop]: 531 mSDtfsCounter, 470 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 2381 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:49,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [502 Valid, 2381 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-11-16 23:44:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2021-11-16 23:44:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3739. [2021-11-16 23:44:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 2630 states have (on average 1.2889733840304183) internal successors, (3390), 2666 states have internal predecessors, (3390), 779 states have call successors, (779), 318 states have call predecessors, (779), 329 states have return successors, (826), 790 states have call predecessors, (826), 778 states have call successors, (826) [2021-11-16 23:44:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 4995 transitions. [2021-11-16 23:44:49,290 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 4995 transitions. Word has length 173 [2021-11-16 23:44:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:49,290 INFO L470 AbstractCegarLoop]: Abstraction has 3739 states and 4995 transitions. [2021-11-16 23:44:49,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-16 23:44:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 4995 transitions. [2021-11-16 23:44:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-16 23:44:49,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:49,295 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:44:49,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-16 23:44:49,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-16 23:44:49,510 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:49,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1079721146, now seen corresponding path program 1 times [2021-11-16 23:44:49,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:49,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162283240] [2021-11-16 23:44:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:49,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 23:44:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:44:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-16 23:44:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:44:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 23:44:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 23:44:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:44:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:44:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:44:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:44:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:44:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:44:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:44:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:44:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-16 23:44:49,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:49,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162283240] [2021-11-16 23:44:49,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162283240] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:49,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567374822] [2021-11-16 23:44:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:49,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:49,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:49,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:49,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-16 23:44:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:50,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 23:44:50,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-16 23:44:50,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:44:50,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567374822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:44:50,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:44:50,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-16 23:44:50,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474047320] [2021-11-16 23:44:50,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:44:50,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:44:50,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:44:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:50,669 INFO L87 Difference]: Start difference. First operand 3739 states and 4995 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-16 23:44:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:44:50,781 INFO L93 Difference]: Finished difference Result 7679 states and 10587 transitions. [2021-11-16 23:44:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:44:50,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 251 [2021-11-16 23:44:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:44:50,798 INFO L225 Difference]: With dead ends: 7679 [2021-11-16 23:44:50,798 INFO L226 Difference]: Without dead ends: 3943 [2021-11-16 23:44:50,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-16 23:44:50,814 INFO L933 BasicCegarLoop]: 640 mSDtfsCounter, 6 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:44:50,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 1268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:44:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2021-11-16 23:44:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3871. [2021-11-16 23:44:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3871 states, 2714 states have (on average 1.2888725128960943) internal successors, (3498), 2738 states have internal predecessors, (3498), 827 states have call successors, (827), 318 states have call predecessors, (827), 329 states have return successors, (874), 838 states have call predecessors, (874), 826 states have call successors, (874) [2021-11-16 23:44:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5199 transitions. [2021-11-16 23:44:51,038 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5199 transitions. Word has length 251 [2021-11-16 23:44:51,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:44:51,038 INFO L470 AbstractCegarLoop]: Abstraction has 3871 states and 5199 transitions. [2021-11-16 23:44:51,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-16 23:44:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5199 transitions. [2021-11-16 23:44:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-16 23:44:51,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:44:51,052 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2021-11-16 23:44:51,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-16 23:44:51,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-16 23:44:51,266 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:44:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:44:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1124956452, now seen corresponding path program 1 times [2021-11-16 23:44:51,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:44:51,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648341130] [2021-11-16 23:44:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:51,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:44:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 23:44:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:44:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-16 23:44:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:44:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:44:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 23:44:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:44:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 23:44:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:44:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:44:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:44:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:44:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:44:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:44:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:44:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:44:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:44:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:44:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:44:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-16 23:44:51,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:44:51,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648341130] [2021-11-16 23:44:51,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648341130] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:44:51,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647538855] [2021-11-16 23:44:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:44:51,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:44:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:44:51,608 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:44:51,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-16 23:44:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:44:51,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:44:51,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:44:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-16 23:44:52,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:44:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-16 23:44:52,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647538855] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 23:44:52,818 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 23:44:52,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2021-11-16 23:44:52,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441152700] [2021-11-16 23:44:52,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 23:44:52,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-16 23:44:52,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:44:52,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-16 23:44:52,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-16 23:44:52,819 INFO L87 Difference]: Start difference. First operand 3871 states and 5199 transitions. Second operand has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 9 states have internal predecessors, (196), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2021-11-16 23:44:55,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:45:07,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:07,957 INFO L93 Difference]: Finished difference Result 8205 states and 11287 transitions. [2021-11-16 23:45:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-16 23:45:07,958 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 9 states have internal predecessors, (196), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) Word has length 252 [2021-11-16 23:45:07,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:07,971 INFO L225 Difference]: With dead ends: 8205 [2021-11-16 23:45:07,971 INFO L226 Difference]: Without dead ends: 4337 [2021-11-16 23:45:07,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-16 23:45:07,980 INFO L933 BasicCegarLoop]: 545 mSDtfsCounter, 488 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 338 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 2724 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:07,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 2724 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 2465 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2021-11-16 23:45:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2021-11-16 23:45:08,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4186. [2021-11-16 23:45:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4186 states, 2954 states have (on average 1.2857142857142858) internal successors, (3798), 2966 states have internal predecessors, (3798), 902 states have call successors, (902), 318 states have call predecessors, (902), 329 states have return successors, (949), 925 states have call predecessors, (949), 901 states have call successors, (949) [2021-11-16 23:45:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 5649 transitions. [2021-11-16 23:45:08,121 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 5649 transitions. Word has length 252 [2021-11-16 23:45:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:08,121 INFO L470 AbstractCegarLoop]: Abstraction has 4186 states and 5649 transitions. [2021-11-16 23:45:08,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 9 states have internal predecessors, (196), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2021-11-16 23:45:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 5649 transitions. [2021-11-16 23:45:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-16 23:45:08,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:08,127 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:08,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-16 23:45:08,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:45:08,344 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:08,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:08,344 INFO L85 PathProgramCache]: Analyzing trace with hash 837726638, now seen corresponding path program 1 times [2021-11-16 23:45:08,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:08,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182538109] [2021-11-16 23:45:08,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:08,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:45:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-16 23:45:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-16 23:45:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-11-16 23:45:08,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:08,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182538109] [2021-11-16 23:45:08,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182538109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:08,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:08,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 23:45:08,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736639332] [2021-11-16 23:45:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:08,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 23:45:08,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:08,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 23:45:08,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:45:08,641 INFO L87 Difference]: Start difference. First operand 4186 states and 5649 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:11,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:45:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:17,640 INFO L93 Difference]: Finished difference Result 9485 states and 13045 transitions. [2021-11-16 23:45:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 23:45:17,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 253 [2021-11-16 23:45:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:17,666 INFO L225 Difference]: With dead ends: 9485 [2021-11-16 23:45:17,679 INFO L226 Difference]: Without dead ends: 5302 [2021-11-16 23:45:17,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:45:17,689 INFO L933 BasicCegarLoop]: 651 mSDtfsCounter, 732 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:17,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 1814 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1114 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-16 23:45:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5302 states. [2021-11-16 23:45:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5302 to 4196. [2021-11-16 23:45:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4196 states, 2964 states have (on average 1.2847503373819162) internal successors, (3808), 2976 states have internal predecessors, (3808), 902 states have call successors, (902), 318 states have call predecessors, (902), 329 states have return successors, (949), 925 states have call predecessors, (949), 901 states have call successors, (949) [2021-11-16 23:45:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4196 states to 4196 states and 5659 transitions. [2021-11-16 23:45:17,939 INFO L78 Accepts]: Start accepts. Automaton has 4196 states and 5659 transitions. Word has length 253 [2021-11-16 23:45:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:17,939 INFO L470 AbstractCegarLoop]: Abstraction has 4196 states and 5659 transitions. [2021-11-16 23:45:17,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4196 states and 5659 transitions. [2021-11-16 23:45:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-16 23:45:17,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:17,947 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:17,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-16 23:45:17,948 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:17,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1419230017, now seen corresponding path program 1 times [2021-11-16 23:45:17,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:17,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353472930] [2021-11-16 23:45:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:17,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:45:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-16 23:45:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 23:45:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-16 23:45:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:45:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-16 23:45:18,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:18,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353472930] [2021-11-16 23:45:18,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353472930] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:45:18,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077038547] [2021-11-16 23:45:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:18,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:45:18,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:45:18,209 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:45:18,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-16 23:45:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:18,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2313 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 23:45:18,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:45:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-16 23:45:18,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:45:18,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077038547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:18,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:45:18,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-16 23:45:18,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708895129] [2021-11-16 23:45:18,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:18,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:45:18,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:18,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:45:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:45:18,941 INFO L87 Difference]: Start difference. First operand 4196 states and 5659 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:19,057 INFO L93 Difference]: Finished difference Result 8454 states and 11410 transitions. [2021-11-16 23:45:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:45:19,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 259 [2021-11-16 23:45:19,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:19,070 INFO L225 Difference]: With dead ends: 8454 [2021-11-16 23:45:19,070 INFO L226 Difference]: Without dead ends: 4261 [2021-11-16 23:45:19,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:45:19,079 INFO L933 BasicCegarLoop]: 629 mSDtfsCounter, 9 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:19,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1249 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:45:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2021-11-16 23:45:19,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4211. [2021-11-16 23:45:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4211 states, 2979 states have (on average 1.2833165491775764) internal successors, (3823), 2991 states have internal predecessors, (3823), 902 states have call successors, (902), 318 states have call predecessors, (902), 329 states have return successors, (949), 925 states have call predecessors, (949), 901 states have call successors, (949) [2021-11-16 23:45:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 5674 transitions. [2021-11-16 23:45:19,236 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 5674 transitions. Word has length 259 [2021-11-16 23:45:19,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:19,236 INFO L470 AbstractCegarLoop]: Abstraction has 4211 states and 5674 transitions. [2021-11-16 23:45:19,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 5674 transitions. [2021-11-16 23:45:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-16 23:45:19,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:19,242 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:19,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-16 23:45:19,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:45:19,464 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1055314338, now seen corresponding path program 1 times [2021-11-16 23:45:19,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:19,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460584268] [2021-11-16 23:45:19,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:19,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:45:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-16 23:45:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-16 23:45:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-16 23:45:19,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:19,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460584268] [2021-11-16 23:45:19,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460584268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:19,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:19,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-16 23:45:19,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621128393] [2021-11-16 23:45:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:19,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-16 23:45:19,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-16 23:45:19,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-16 23:45:19,718 INFO L87 Difference]: Start difference. First operand 4211 states and 5674 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:22,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:45:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:29,830 INFO L93 Difference]: Finished difference Result 8567 states and 11580 transitions. [2021-11-16 23:45:29,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 23:45:29,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2021-11-16 23:45:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:29,841 INFO L225 Difference]: With dead ends: 8567 [2021-11-16 23:45:29,841 INFO L226 Difference]: Without dead ends: 4359 [2021-11-16 23:45:29,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-16 23:45:29,847 INFO L933 BasicCegarLoop]: 533 mSDtfsCounter, 396 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 281 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:29,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 1768 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 1372 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2021-11-16 23:45:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2021-11-16 23:45:29,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 4226. [2021-11-16 23:45:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4226 states, 2991 states have (on average 1.2821798729521898) internal successors, (3835), 3003 states have internal predecessors, (3835), 902 states have call successors, (902), 318 states have call predecessors, (902), 332 states have return successors, (952), 928 states have call predecessors, (952), 901 states have call successors, (952) [2021-11-16 23:45:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 4226 states and 5689 transitions. [2021-11-16 23:45:29,966 INFO L78 Accepts]: Start accepts. Automaton has 4226 states and 5689 transitions. Word has length 264 [2021-11-16 23:45:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:29,966 INFO L470 AbstractCegarLoop]: Abstraction has 4226 states and 5689 transitions. [2021-11-16 23:45:29,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4226 states and 5689 transitions. [2021-11-16 23:45:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-16 23:45:29,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:29,973 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:29,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-16 23:45:29,973 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1013906106, now seen corresponding path program 1 times [2021-11-16 23:45:29,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:29,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128067398] [2021-11-16 23:45:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 23:45:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 23:45:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-16 23:45:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:45:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-16 23:45:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-16 23:45:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-16 23:45:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-16 23:45:30,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:30,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128067398] [2021-11-16 23:45:30,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128067398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:30,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:30,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 23:45:30,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360715156] [2021-11-16 23:45:30,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:30,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 23:45:30,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:30,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 23:45:30,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:45:30,215 INFO L87 Difference]: Start difference. First operand 4226 states and 5689 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:36,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:36,371 INFO L93 Difference]: Finished difference Result 8585 states and 11579 transitions. [2021-11-16 23:45:36,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 23:45:36,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 272 [2021-11-16 23:45:36,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:36,402 INFO L225 Difference]: With dead ends: 8585 [2021-11-16 23:45:36,403 INFO L226 Difference]: Without dead ends: 4347 [2021-11-16 23:45:36,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:45:36,410 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 397 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:36,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1468 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-16 23:45:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2021-11-16 23:45:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4216. [2021-11-16 23:45:36,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4216 states, 2981 states have (on average 1.281449178128145) internal successors, (3820), 2993 states have internal predecessors, (3820), 902 states have call successors, (902), 318 states have call predecessors, (902), 332 states have return successors, (952), 928 states have call predecessors, (952), 901 states have call successors, (952) [2021-11-16 23:45:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5674 transitions. [2021-11-16 23:45:36,529 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5674 transitions. Word has length 272 [2021-11-16 23:45:36,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:36,530 INFO L470 AbstractCegarLoop]: Abstraction has 4216 states and 5674 transitions. [2021-11-16 23:45:36,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-16 23:45:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5674 transitions. [2021-11-16 23:45:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-16 23:45:36,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:36,535 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:36,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-16 23:45:36,536 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:36,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1461540586, now seen corresponding path program 1 times [2021-11-16 23:45:36,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:36,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814808834] [2021-11-16 23:45:36,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:36,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 23:45:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-16 23:45:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-16 23:45:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:45:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-16 23:45:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-16 23:45:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-16 23:45:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-11-16 23:45:36,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:36,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814808834] [2021-11-16 23:45:36,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814808834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:36,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:36,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 23:45:36,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923017454] [2021-11-16 23:45:36,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:36,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 23:45:36,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:36,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 23:45:36,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:45:36,762 INFO L87 Difference]: Start difference. First operand 4216 states and 5674 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:39,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:45:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:44,390 INFO L93 Difference]: Finished difference Result 8560 states and 11539 transitions. [2021-11-16 23:45:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 23:45:44,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 283 [2021-11-16 23:45:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:44,406 INFO L225 Difference]: With dead ends: 8560 [2021-11-16 23:45:44,407 INFO L226 Difference]: Without dead ends: 4209 [2021-11-16 23:45:44,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:45:44,418 INFO L933 BasicCegarLoop]: 535 mSDtfsCounter, 395 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 279 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:44,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 1467 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1037 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-16 23:45:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2021-11-16 23:45:44,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 4070. [2021-11-16 23:45:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4070 states, 2870 states have (on average 1.2815331010452962) internal successors, (3678), 2882 states have internal predecessors, (3678), 873 states have call successors, (873), 315 states have call predecessors, (873), 326 states have return successors, (920), 896 states have call predecessors, (920), 872 states have call successors, (920) [2021-11-16 23:45:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4070 states to 4070 states and 5471 transitions. [2021-11-16 23:45:44,547 INFO L78 Accepts]: Start accepts. Automaton has 4070 states and 5471 transitions. Word has length 283 [2021-11-16 23:45:44,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:44,547 INFO L470 AbstractCegarLoop]: Abstraction has 4070 states and 5471 transitions. [2021-11-16 23:45:44,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 4070 states and 5471 transitions. [2021-11-16 23:45:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-16 23:45:44,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:44,552 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:44,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-16 23:45:44,553 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1293557294, now seen corresponding path program 1 times [2021-11-16 23:45:44,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:44,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091841837] [2021-11-16 23:45:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:44,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:45:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-16 23:45:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-16 23:45:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-16 23:45:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-16 23:45:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-16 23:45:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:45:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-16 23:45:44,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:44,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091841837] [2021-11-16 23:45:44,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091841837] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:45:44,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739676491] [2021-11-16 23:45:44,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:44,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:45:44,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:45:44,912 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:45:44,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-16 23:45:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:45,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-16 23:45:45,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:45:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-16 23:45:45,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:45:45,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739676491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:45,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:45:45,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-11-16 23:45:45,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778103510] [2021-11-16 23:45:45,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:45,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 23:45:45,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:45,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 23:45:45,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-16 23:45:45,792 INFO L87 Difference]: Start difference. First operand 4070 states and 5471 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:45,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:45,940 INFO L93 Difference]: Finished difference Result 8927 states and 12139 transitions. [2021-11-16 23:45:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 23:45:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 287 [2021-11-16 23:45:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:45,957 INFO L225 Difference]: With dead ends: 8927 [2021-11-16 23:45:45,957 INFO L226 Difference]: Without dead ends: 4860 [2021-11-16 23:45:45,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-16 23:45:45,968 INFO L933 BasicCegarLoop]: 783 mSDtfsCounter, 142 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:45,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 2974 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:45:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2021-11-16 23:45:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4112. [2021-11-16 23:45:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4112 states, 2909 states have (on average 1.2777586799587488) internal successors, (3717), 2906 states have internal predecessors, (3717), 873 states have call successors, (873), 315 states have call predecessors, (873), 329 states have return successors, (941), 914 states have call predecessors, (941), 872 states have call successors, (941) [2021-11-16 23:45:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4112 states to 4112 states and 5531 transitions. [2021-11-16 23:45:46,104 INFO L78 Accepts]: Start accepts. Automaton has 4112 states and 5531 transitions. Word has length 287 [2021-11-16 23:45:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:46,104 INFO L470 AbstractCegarLoop]: Abstraction has 4112 states and 5531 transitions. [2021-11-16 23:45:46,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-16 23:45:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4112 states and 5531 transitions. [2021-11-16 23:45:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-16 23:45:46,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:46,111 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:46,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-16 23:45:46,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-16 23:45:46,333 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash -271770686, now seen corresponding path program 1 times [2021-11-16 23:45:46,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:46,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678533688] [2021-11-16 23:45:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:46,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:45:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 23:45:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:45:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 23:45:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-16 23:45:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-16 23:45:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-16 23:45:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-16 23:45:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-16 23:45:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:45:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-16 23:45:46,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:46,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678533688] [2021-11-16 23:45:46,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678533688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:46,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:46,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 23:45:46,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246315196] [2021-11-16 23:45:46,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:46,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 23:45:46,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:46,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 23:45:46,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:45:46,858 INFO L87 Difference]: Start difference. First operand 4112 states and 5531 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-16 23:45:51,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:45:54,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:45:54,836 INFO L93 Difference]: Finished difference Result 8480 states and 11510 transitions. [2021-11-16 23:45:54,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 23:45:54,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 476 [2021-11-16 23:45:54,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:45:54,870 INFO L225 Difference]: With dead ends: 8480 [2021-11-16 23:45:54,871 INFO L226 Difference]: Without dead ends: 4371 [2021-11-16 23:45:54,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-16 23:45:54,884 INFO L933 BasicCegarLoop]: 520 mSDtfsCounter, 433 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 295 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-16 23:45:54,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [466 Valid, 1413 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 1037 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-11-16 23:45:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2021-11-16 23:45:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 4124. [2021-11-16 23:45:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4124 states, 2921 states have (on average 1.2766175967134543) internal successors, (3729), 2912 states have internal predecessors, (3729), 873 states have call successors, (873), 315 states have call predecessors, (873), 329 states have return successors, (941), 914 states have call predecessors, (941), 872 states have call successors, (941) [2021-11-16 23:45:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 5543 transitions. [2021-11-16 23:45:55,050 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 5543 transitions. Word has length 476 [2021-11-16 23:45:55,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:45:55,051 INFO L470 AbstractCegarLoop]: Abstraction has 4124 states and 5543 transitions. [2021-11-16 23:45:55,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-16 23:45:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 5543 transitions. [2021-11-16 23:45:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-11-16 23:45:55,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:45:55,057 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 12, 12, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:45:55,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-16 23:45:55,057 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:45:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:45:55,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1695897655, now seen corresponding path program 1 times [2021-11-16 23:45:55,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:45:55,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542895866] [2021-11-16 23:45:55,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:45:55,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:45:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:45:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:45:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 23:45:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:45:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:45:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 23:45:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-16 23:45:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:45:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:45:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:45:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:45:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:45:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:45:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-16 23:45:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-16 23:45:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-16 23:45:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-16 23:45:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:45:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:45:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:45:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:45:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:45:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:45:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:45:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:45:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:45:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:45:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2021-11-16 23:45:55,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:45:55,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542895866] [2021-11-16 23:45:55,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542895866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:45:55,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:45:55,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 23:45:55,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970877066] [2021-11-16 23:45:55,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:45:55,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 23:45:55,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:45:55,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 23:45:55,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 23:45:55,507 INFO L87 Difference]: Start difference. First operand 4124 states and 5543 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-16 23:45:59,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:46:02,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:02,444 INFO L93 Difference]: Finished difference Result 8408 states and 11390 transitions. [2021-11-16 23:46:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 23:46:02,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 487 [2021-11-16 23:46:02,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:02,462 INFO L225 Difference]: With dead ends: 8408 [2021-11-16 23:46:02,462 INFO L226 Difference]: Without dead ends: 4287 [2021-11-16 23:46:02,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-16 23:46:02,470 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 398 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 285 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:02,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 1115 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-11-16 23:46:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4287 states. [2021-11-16 23:46:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4287 to 4136. [2021-11-16 23:46:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 2933 states have (on average 1.2754858506648483) internal successors, (3741), 2924 states have internal predecessors, (3741), 873 states have call successors, (873), 315 states have call predecessors, (873), 329 states have return successors, (941), 914 states have call predecessors, (941), 872 states have call successors, (941) [2021-11-16 23:46:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 5555 transitions. [2021-11-16 23:46:02,579 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 5555 transitions. Word has length 487 [2021-11-16 23:46:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:02,579 INFO L470 AbstractCegarLoop]: Abstraction has 4136 states and 5555 transitions. [2021-11-16 23:46:02,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-16 23:46:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 5555 transitions. [2021-11-16 23:46:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-16 23:46:02,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:02,585 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 13, 13, 13, 13, 13, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:46:02,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-16 23:46:02,585 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:46:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:46:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1620360057, now seen corresponding path program 1 times [2021-11-16 23:46:02,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:46:02,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049151679] [2021-11-16 23:46:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:02,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:46:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:46:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:46:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 23:46:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:46:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:46:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:46:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-16 23:46:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-16 23:46:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-16 23:46:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-16 23:46:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-16 23:46:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-16 23:46:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:46:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-16 23:46:03,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:46:03,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049151679] [2021-11-16 23:46:03,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049151679] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:46:03,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434160438] [2021-11-16 23:46:03,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:03,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:46:03,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:46:03,063 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:46:03,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-16 23:46:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:03,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 3664 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:46:03,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:46:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 222 proven. 1 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-11-16 23:46:04,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:46:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-16 23:46:05,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434160438] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 23:46:05,437 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 23:46:05,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-16 23:46:05,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548520301] [2021-11-16 23:46:05,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 23:46:05,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-16 23:46:05,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:46:05,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-16 23:46:05,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-16 23:46:05,439 INFO L87 Difference]: Start difference. First operand 4136 states and 5555 transitions. Second operand has 9 states, 9 states have (on average 24.333333333333332) internal successors, (219), 7 states have internal predecessors, (219), 5 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2021-11-16 23:46:11,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:11,476 INFO L93 Difference]: Finished difference Result 8498 states and 11528 transitions. [2021-11-16 23:46:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 23:46:11,477 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.333333333333332) internal successors, (219), 7 states have internal predecessors, (219), 5 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) Word has length 500 [2021-11-16 23:46:11,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:11,508 INFO L225 Difference]: With dead ends: 8498 [2021-11-16 23:46:11,508 INFO L226 Difference]: Without dead ends: 4365 [2021-11-16 23:46:11,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1164 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-11-16 23:46:11,517 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 414 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:11,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 1410 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-16 23:46:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2021-11-16 23:46:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 4244. [2021-11-16 23:46:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4244 states, 3005 states have (on average 1.2688851913477537) internal successors, (3813), 2996 states have internal predecessors, (3813), 909 states have call successors, (909), 315 states have call predecessors, (909), 329 states have return successors, (977), 950 states have call predecessors, (977), 908 states have call successors, (977) [2021-11-16 23:46:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5699 transitions. [2021-11-16 23:46:11,641 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5699 transitions. Word has length 500 [2021-11-16 23:46:11,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:11,642 INFO L470 AbstractCegarLoop]: Abstraction has 4244 states and 5699 transitions. [2021-11-16 23:46:11,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.333333333333332) internal successors, (219), 7 states have internal predecessors, (219), 5 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2021-11-16 23:46:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5699 transitions. [2021-11-16 23:46:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-11-16 23:46:11,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:11,649 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:46:11,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-16 23:46:11,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-16 23:46:11,871 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:46:11,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:46:11,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1480823031, now seen corresponding path program 1 times [2021-11-16 23:46:11,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:46:11,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676272146] [2021-11-16 23:46:11,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:11,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:46:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:46:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:46:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 23:46:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:46:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:46:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:46:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:46:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:46:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:46:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-16 23:46:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-16 23:46:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-16 23:46:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-16 23:46:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-16 23:46:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-16 23:46:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:46:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2021-11-16 23:46:12,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:46:12,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676272146] [2021-11-16 23:46:12,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676272146] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:46:12,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651251074] [2021-11-16 23:46:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:12,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:46:12,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:46:12,450 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:46:12,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-16 23:46:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:13,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-16 23:46:13,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:46:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 546 proven. 22 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2021-11-16 23:46:13,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:46:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 1641 trivial. 0 not checked. [2021-11-16 23:46:15,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651251074] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 23:46:15,270 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 23:46:15,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 11 [2021-11-16 23:46:15,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297456771] [2021-11-16 23:46:15,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 23:46:15,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-16 23:46:15,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:46:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-16 23:46:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-16 23:46:15,272 INFO L87 Difference]: Start difference. First operand 4244 states and 5699 transitions. Second operand has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 9 states have internal predecessors, (241), 7 states have call successors, (68), 4 states have call predecessors, (68), 2 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2021-11-16 23:46:20,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:46:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:26,355 INFO L93 Difference]: Finished difference Result 8763 states and 11862 transitions. [2021-11-16 23:46:26,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-16 23:46:26,355 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 9 states have internal predecessors, (241), 7 states have call successors, (68), 4 states have call predecessors, (68), 2 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) Word has length 531 [2021-11-16 23:46:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:26,368 INFO L225 Difference]: With dead ends: 8763 [2021-11-16 23:46:26,368 INFO L226 Difference]: Without dead ends: 4522 [2021-11-16 23:46:26,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1242 GetRequests, 1227 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-11-16 23:46:26,377 INFO L933 BasicCegarLoop]: 515 mSDtfsCounter, 439 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 350 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:26,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [472 Valid, 1973 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 1775 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2021-11-16 23:46:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-11-16 23:46:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 4345. [2021-11-16 23:46:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 3084 states have (on average 1.2636186770428015) internal successors, (3897), 3075 states have internal predecessors, (3897), 931 states have call successors, (931), 315 states have call predecessors, (931), 329 states have return successors, (999), 972 states have call predecessors, (999), 930 states have call successors, (999) [2021-11-16 23:46:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5827 transitions. [2021-11-16 23:46:26,571 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5827 transitions. Word has length 531 [2021-11-16 23:46:26,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:26,571 INFO L470 AbstractCegarLoop]: Abstraction has 4345 states and 5827 transitions. [2021-11-16 23:46:26,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 9 states have internal predecessors, (241), 7 states have call successors, (68), 4 states have call predecessors, (68), 2 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2021-11-16 23:46:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5827 transitions. [2021-11-16 23:46:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-11-16 23:46:26,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:26,578 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:46:26,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-16 23:46:26,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-16 23:46:26,802 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:46:26,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:46:26,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1803910442, now seen corresponding path program 1 times [2021-11-16 23:46:26,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:46:26,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809701487] [2021-11-16 23:46:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:26,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:46:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:46:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:46:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 23:46:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:46:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:46:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:46:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:46:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:46:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:46:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 23:46:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 23:46:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-16 23:46:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-16 23:46:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-16 23:46:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-16 23:46:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-16 23:46:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-16 23:46:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2021-11-16 23:46:27,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:46:27,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809701487] [2021-11-16 23:46:27,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809701487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:46:27,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 23:46:27,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 23:46:27,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552602597] [2021-11-16 23:46:27,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:46:27,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 23:46:27,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:46:27,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 23:46:27,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 23:46:27,318 INFO L87 Difference]: Start difference. First operand 4345 states and 5827 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-16 23:46:31,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:46:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:34,915 INFO L93 Difference]: Finished difference Result 8829 states and 11861 transitions. [2021-11-16 23:46:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 23:46:34,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 549 [2021-11-16 23:46:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:34,928 INFO L225 Difference]: With dead ends: 8829 [2021-11-16 23:46:34,928 INFO L226 Difference]: Without dead ends: 4422 [2021-11-16 23:46:34,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-16 23:46:34,939 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 397 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 273 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:34,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1404 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1034 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-11-16 23:46:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2021-11-16 23:46:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4295. [2021-11-16 23:46:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 3044 states have (on average 1.2637976346911959) internal successors, (3847), 3035 states have internal predecessors, (3847), 921 states have call successors, (921), 315 states have call predecessors, (921), 329 states have return successors, (989), 962 states have call predecessors, (989), 920 states have call successors, (989) [2021-11-16 23:46:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 5757 transitions. [2021-11-16 23:46:35,103 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 5757 transitions. Word has length 549 [2021-11-16 23:46:35,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:35,104 INFO L470 AbstractCegarLoop]: Abstraction has 4295 states and 5757 transitions. [2021-11-16 23:46:35,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-16 23:46:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 5757 transitions. [2021-11-16 23:46:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-11-16 23:46:35,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:35,112 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:46:35,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-16 23:46:35,113 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:46:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:46:35,113 INFO L85 PathProgramCache]: Analyzing trace with hash -61226039, now seen corresponding path program 1 times [2021-11-16 23:46:35,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:46:35,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972393148] [2021-11-16 23:46:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:35,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:46:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:46:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:46:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 23:46:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:46:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:46:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:46:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:46:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:46:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:46:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 23:46:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 23:46:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-16 23:46:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-16 23:46:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-16 23:46:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-16 23:46:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-16 23:46:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:46:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1822 trivial. 0 not checked. [2021-11-16 23:46:35,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:46:35,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972393148] [2021-11-16 23:46:35,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972393148] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:46:35,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141592463] [2021-11-16 23:46:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:35,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:46:35,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:46:35,758 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:46:35,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-16 23:46:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:36,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 3956 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-16 23:46:36,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:46:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 915 proven. 6 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2021-11-16 23:46:37,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:46:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1818 trivial. 0 not checked. [2021-11-16 23:46:38,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141592463] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 23:46:38,341 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 23:46:38,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2021-11-16 23:46:38,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4740591] [2021-11-16 23:46:38,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 23:46:38,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-16 23:46:38,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:46:38,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-16 23:46:38,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-16 23:46:38,343 INFO L87 Difference]: Start difference. First operand 4295 states and 5757 transitions. Second operand has 14 states, 14 states have (on average 17.428571428571427) internal successors, (244), 9 states have internal predecessors, (244), 2 states have call successors, (60), 5 states have call predecessors, (60), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-16 23:46:48,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:46:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:57,361 INFO L93 Difference]: Finished difference Result 8873 states and 11963 transitions. [2021-11-16 23:46:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-16 23:46:57,362 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 17.428571428571427) internal successors, (244), 9 states have internal predecessors, (244), 2 states have call successors, (60), 5 states have call predecessors, (60), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) Word has length 552 [2021-11-16 23:46:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:57,380 INFO L225 Difference]: With dead ends: 8873 [2021-11-16 23:46:57,380 INFO L226 Difference]: Without dead ends: 4566 [2021-11-16 23:46:57,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1289 GetRequests, 1271 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2021-11-16 23:46:57,390 INFO L933 BasicCegarLoop]: 510 mSDtfsCounter, 449 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 304 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 3459 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:57,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 3459 Invalid, 3912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 3607 Invalid, 1 Unknown, 0 Unchecked, 18.7s Time] [2021-11-16 23:46:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2021-11-16 23:46:57,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4391. [2021-11-16 23:46:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4391 states, 3127 states have (on average 1.2599936040933801) internal successors, (3940), 3121 states have internal predecessors, (3940), 931 states have call successors, (931), 315 states have call predecessors, (931), 332 states have return successors, (1008), 972 states have call predecessors, (1008), 930 states have call successors, (1008) [2021-11-16 23:46:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 4391 states and 5879 transitions. [2021-11-16 23:46:57,566 INFO L78 Accepts]: Start accepts. Automaton has 4391 states and 5879 transitions. Word has length 552 [2021-11-16 23:46:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:57,567 INFO L470 AbstractCegarLoop]: Abstraction has 4391 states and 5879 transitions. [2021-11-16 23:46:57,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.428571428571427) internal successors, (244), 9 states have internal predecessors, (244), 2 states have call successors, (60), 5 states have call predecessors, (60), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-16 23:46:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4391 states and 5879 transitions. [2021-11-16 23:46:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2021-11-16 23:46:57,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:57,574 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:46:57,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-16 23:46:57,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:46:57,791 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:46:57,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:46:57,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1990212368, now seen corresponding path program 1 times [2021-11-16 23:46:57,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:46:57,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053943669] [2021-11-16 23:46:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:57,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:46:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:46:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:46:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 23:46:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:46:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:46:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:46:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:46:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:46:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:46:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 23:46:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 23:46:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-16 23:46:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:46:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:46:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:46:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:46:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:46:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:46:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-16 23:46:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-16 23:46:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-16 23:46:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-16 23:46:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 23:46:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:46:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:46:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 23:46:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-16 23:46:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 23:46:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:46:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-16 23:46:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-16 23:46:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2021-11-16 23:46:58,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:46:58,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053943669] [2021-11-16 23:46:58,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053943669] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:46:58,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549909011] [2021-11-16 23:46:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:46:58,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:46:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:46:58,398 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:46:58,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-16 23:46:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:46:58,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 23:46:58,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:46:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 646 proven. 0 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2021-11-16 23:46:59,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:46:59,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549909011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:46:59,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:46:59,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2021-11-16 23:46:59,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016048076] [2021-11-16 23:46:59,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:46:59,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 23:46:59,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:46:59,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 23:46:59,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-16 23:46:59,654 INFO L87 Difference]: Start difference. First operand 4391 states and 5879 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 4 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-16 23:46:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:46:59,798 INFO L93 Difference]: Finished difference Result 9079 states and 12604 transitions. [2021-11-16 23:46:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-16 23:46:59,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 4 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 562 [2021-11-16 23:46:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:46:59,814 INFO L225 Difference]: With dead ends: 9079 [2021-11-16 23:46:59,814 INFO L226 Difference]: Without dead ends: 4691 [2021-11-16 23:46:59,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-16 23:46:59,824 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 24 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 23:46:59,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 1240 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 23:46:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2021-11-16 23:46:59,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4451. [2021-11-16 23:46:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 3163 states have (on average 1.2646221941195068) internal successors, (4000), 3157 states have internal predecessors, (4000), 955 states have call successors, (955), 315 states have call predecessors, (955), 332 states have return successors, (1032), 996 states have call predecessors, (1032), 954 states have call successors, (1032) [2021-11-16 23:46:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 5987 transitions. [2021-11-16 23:46:59,957 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 5987 transitions. Word has length 562 [2021-11-16 23:46:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:46:59,958 INFO L470 AbstractCegarLoop]: Abstraction has 4451 states and 5987 transitions. [2021-11-16 23:46:59,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 4 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-16 23:46:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 5987 transitions. [2021-11-16 23:46:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-16 23:46:59,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 23:46:59,967 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-16 23:47:00,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-16 23:47:00,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-11-16 23:47:00,184 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 23:47:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 23:47:00,184 INFO L85 PathProgramCache]: Analyzing trace with hash 322989686, now seen corresponding path program 1 times [2021-11-16 23:47:00,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 23:47:00,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351963585] [2021-11-16 23:47:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:47:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 23:47:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 23:47:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 23:47:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 23:47:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:47:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:47:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 23:47:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 23:47:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 23:47:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-16 23:47:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-16 23:47:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-16 23:47:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-16 23:47:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 23:47:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-16 23:47:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:47:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:47:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:47:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:47:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:47:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:47:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:47:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:47:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:47:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:47:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:47:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:47:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:47:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:47:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:47:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-16 23:47:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-16 23:47:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-16 23:47:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-16 23:47:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:47:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:47:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:47:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:47:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:47:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:47:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:47:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 23:47:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 23:47:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 23:47:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 23:47:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 23:47:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 23:47:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 23:47:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-16 23:47:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 23:47:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-11-16 23:47:00,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 23:47:00,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351963585] [2021-11-16 23:47:00,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351963585] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:47:00,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380261143] [2021-11-16 23:47:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 23:47:00,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:47:00,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 23:47:00,858 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 23:47:00,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-16 23:47:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 23:47:01,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 3987 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-16 23:47:01,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 23:47:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2021-11-16 23:47:02,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 23:47:02,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380261143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 23:47:02,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 23:47:02,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-16 23:47:02,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964504931] [2021-11-16 23:47:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 23:47:02,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 23:47:02,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:47:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 23:47:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-16 23:47:02,251 INFO L87 Difference]: Start difference. First operand 4451 states and 5987 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-16 23:47:02,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 23:47:02,507 INFO L93 Difference]: Finished difference Result 4451 states and 5987 transitions. [2021-11-16 23:47:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 23:47:02,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 560 [2021-11-16 23:47:02,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 23:47:02,509 INFO L225 Difference]: With dead ends: 4451 [2021-11-16 23:47:02,509 INFO L226 Difference]: Without dead ends: 0 [2021-11-16 23:47:02,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 727 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-16 23:47:02,515 INFO L933 BasicCegarLoop]: 854 mSDtfsCounter, 206 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-16 23:47:02,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 1401 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-16 23:47:02,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-16 23:47:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-16 23:47:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 23:47:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-16 23:47:02,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 560 [2021-11-16 23:47:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 23:47:02,516 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-16 23:47:02,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-16 23:47:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-16 23:47:02,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-16 23:47:02,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 23:47:02,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-16 23:47:02,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 23:47:02,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-16 23:47:20,904 WARN L227 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:47:31,427 WARN L227 SmtUtils]: Spent 10.52s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:47:40,451 WARN L227 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:47:52,533 WARN L227 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:03,793 WARN L227 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:14,594 WARN L227 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:26,996 WARN L227 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:36,942 WARN L227 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:45,590 WARN L227 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:48:57,738 WARN L227 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:49:09,013 WARN L227 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:49:19,830 WARN L227 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:49:31,137 WARN L227 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:49:41,018 WARN L227 SmtUtils]: Spent 9.88s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:49:49,630 WARN L227 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:50:01,696 WARN L227 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:50:12,947 WARN L227 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:50:23,731 WARN L227 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-16 23:50:40,587 INFO L861 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 5692 5694) the Hoare annotation is: true [2021-11-16 23:50:40,587 INFO L858 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 5692 5694) no Hoare annotation was computed. [2021-11-16 23:50:40,587 INFO L858 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5692 5694) no Hoare annotation was computed. [2021-11-16 23:50:40,587 INFO L858 garLoopResultBuilder]: For program point pf_getgeoFINAL(lines 3724 3749) no Hoare annotation was computed. [2021-11-16 23:50:40,587 INFO L858 garLoopResultBuilder]: For program point L3734(lines 3734 3746) no Hoare annotation was computed. [2021-11-16 23:50:40,588 INFO L854 garLoopResultBuilder]: At program point pf_getgeoENTRY(lines 3724 3749) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,588 INFO L854 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,588 INFO L858 garLoopResultBuilder]: For program point L3734-2(lines 3734 3746) no Hoare annotation was computed. [2021-11-16 23:50:40,588 INFO L858 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2021-11-16 23:50:40,588 INFO L858 garLoopResultBuilder]: For program point pf_getgeoEXIT(lines 3724 3749) no Hoare annotation was computed. [2021-11-16 23:50:40,588 INFO L858 garLoopResultBuilder]: For program point write_regFINAL(lines 3808 3814) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L861 garLoopResultBuilder]: At program point write_regENTRY(lines 3808 3814) the Hoare annotation is: true [2021-11-16 23:50:40,589 INFO L861 garLoopResultBuilder]: At program point L5699(lines 5698 5700) the Hoare annotation is: true [2021-11-16 23:50:40,589 INFO L858 garLoopResultBuilder]: For program point write_regEXIT(lines 3808 3814) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L861 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 5675 5677) the Hoare annotation is: true [2021-11-16 23:50:40,589 INFO L858 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 5675 5677) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L858 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5675 5677) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L858 garLoopResultBuilder]: For program point status_regEXIT(lines 3794 3800) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L858 garLoopResultBuilder]: For program point L3797-1(line 3797) no Hoare annotation was computed. [2021-11-16 23:50:40,589 INFO L861 garLoopResultBuilder]: At program point status_regENTRY(lines 3794 3800) the Hoare annotation is: true [2021-11-16 23:50:40,589 INFO L861 garLoopResultBuilder]: At program point L3797(line 3797) the Hoare annotation is: true [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point status_regFINAL(lines 3794 3800) no Hoare annotation was computed. [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point __const_udelayFINAL(lines 5627 5629) no Hoare annotation was computed. [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5627 5629) no Hoare annotation was computed. [2021-11-16 23:50:40,590 INFO L861 garLoopResultBuilder]: At program point __const_udelayENTRY(lines 5627 5629) the Hoare annotation is: true [2021-11-16 23:50:40,590 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_lock_pf_mutexENTRY(lines 5522 5532) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexFINAL(lines 5522 5532) no Hoare annotation was computed. [2021-11-16 23:50:40,590 INFO L854 garLoopResultBuilder]: At program point L5527(line 5527) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point L5527-1(lines 5525 5528) no Hoare annotation was computed. [2021-11-16 23:50:40,590 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexEXIT(lines 5522 5532) no Hoare annotation was computed. [2021-11-16 23:50:40,591 INFO L858 garLoopResultBuilder]: For program point L5525(lines 5525 5528) no Hoare annotation was computed. [2021-11-16 23:50:40,591 INFO L858 garLoopResultBuilder]: For program point L3999-1(line 3999) no Hoare annotation was computed. [2021-11-16 23:50:40,593 INFO L854 garLoopResultBuilder]: At program point L3999(line 3999) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,593 INFO L858 garLoopResultBuilder]: For program point L3991(lines 3991 3995) no Hoare annotation was computed. [2021-11-16 23:50:40,593 INFO L854 garLoopResultBuilder]: At program point L3987(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2021-11-16 23:50:40,593 INFO L854 garLoopResultBuilder]: At program point L3981(lines 3981 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,593 INFO L858 garLoopResultBuilder]: For program point L4002(lines 4002 4005) no Hoare annotation was computed. [2021-11-16 23:50:40,593 INFO L858 garLoopResultBuilder]: For program point L3998-1(lines 3979 4007) no Hoare annotation was computed. [2021-11-16 23:50:40,593 INFO L854 garLoopResultBuilder]: At program point L3994(lines 3979 4007) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,594 INFO L854 garLoopResultBuilder]: At program point L3992(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2021-11-16 23:50:40,594 INFO L858 garLoopResultBuilder]: For program point pf_atapiEXIT(lines 3975 4008) no Hoare annotation was computed. [2021-11-16 23:50:40,594 INFO L858 garLoopResultBuilder]: For program point pf_atapiFINAL(lines 3975 4008) no Hoare annotation was computed. [2021-11-16 23:50:40,594 INFO L854 garLoopResultBuilder]: At program point L3980(line 3980) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,594 INFO L854 garLoopResultBuilder]: At program point pf_atapiENTRY(lines 3975 4008) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,594 INFO L858 garLoopResultBuilder]: For program point L3980-1(line 3980) no Hoare annotation was computed. [2021-11-16 23:50:40,594 INFO L854 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= pf_atapi_~r~3 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2021-11-16 23:50:40,594 INFO L858 garLoopResultBuilder]: For program point L4127-1(lines 4127 4130) no Hoare annotation was computed. [2021-11-16 23:50:40,594 INFO L861 garLoopResultBuilder]: At program point L4090(lines 4070 4136) the Hoare annotation is: true [2021-11-16 23:50:40,595 INFO L861 garLoopResultBuilder]: At program point L4078(line 4078) the Hoare annotation is: true [2021-11-16 23:50:40,595 INFO L861 garLoopResultBuilder]: At program point L4078-1(line 4078) the Hoare annotation is: true [2021-11-16 23:50:40,595 INFO L854 garLoopResultBuilder]: At program point L4107(lines 4070 4136) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2021-11-16 23:50:40,595 INFO L861 garLoopResultBuilder]: At program point L4095(lines 4070 4136) the Hoare annotation is: true [2021-11-16 23:50:40,595 INFO L861 garLoopResultBuilder]: At program point L4124(lines 4112 4132) the Hoare annotation is: true [2021-11-16 23:50:40,595 INFO L861 garLoopResultBuilder]: At program point L4120(lines 4112 4132) the Hoare annotation is: true [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4087(lines 4087 4096) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L861 garLoopResultBuilder]: At program point L4083(lines 4070 4136) the Hoare annotation is: true [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4079(line 4079) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4112-1(lines 4112 4133) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L861 garLoopResultBuilder]: At program point L4088(line 4088) the Hoare annotation is: true [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4088-1(line 4088) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4117(line 4117) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L861 garLoopResultBuilder]: At program point L4076(line 4076) the Hoare annotation is: true [2021-11-16 23:50:40,596 INFO L861 garLoopResultBuilder]: At program point L4109(lines 4070 4136) the Hoare annotation is: true [2021-11-16 23:50:40,596 INFO L858 garLoopResultBuilder]: For program point L4076-1(line 4076) no Hoare annotation was computed. [2021-11-16 23:50:40,596 INFO L861 garLoopResultBuilder]: At program point L4105(lines 4070 4136) the Hoare annotation is: true [2021-11-16 23:50:40,597 INFO L854 garLoopResultBuilder]: At program point pf_resetENTRY(lines 4061 4137) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2021-11-16 23:50:40,597 INFO L861 garLoopResultBuilder]: At program point L4134(line 4134) the Hoare annotation is: true [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point L4134-1(line 4134) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point pf_resetEXIT(lines 4061 4137) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L854 garLoopResultBuilder]: At program point L4122(lines 4112 4132) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point L4089(lines 4089 4093) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point pf_resetFINAL(lines 4061 4137) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point L4077-1(line 4077) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L861 garLoopResultBuilder]: At program point L4077(line 4077) the Hoare annotation is: true [2021-11-16 23:50:40,597 INFO L858 garLoopResultBuilder]: For program point L4102(line 4102) no Hoare annotation was computed. [2021-11-16 23:50:40,597 INFO L854 garLoopResultBuilder]: At program point L3873-1(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2021-11-16 23:50:40,598 INFO L854 garLoopResultBuilder]: At program point L3873(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2021-11-16 23:50:40,598 INFO L858 garLoopResultBuilder]: For program point L3869-1(line 3869) no Hoare annotation was computed. [2021-11-16 23:50:40,598 INFO L861 garLoopResultBuilder]: At program point L3869(line 3869) the Hoare annotation is: true [2021-11-16 23:50:40,598 INFO L858 garLoopResultBuilder]: For program point L3867-1(line 3867) no Hoare annotation was computed. [2021-11-16 23:50:40,598 INFO L861 garLoopResultBuilder]: At program point L3867(line 3867) the Hoare annotation is: true [2021-11-16 23:50:40,598 INFO L858 garLoopResultBuilder]: For program point L3865-1(line 3865) no Hoare annotation was computed. [2021-11-16 23:50:40,598 INFO L861 garLoopResultBuilder]: At program point L3865(line 3865) the Hoare annotation is: true [2021-11-16 23:50:40,598 INFO L854 garLoopResultBuilder]: At program point L3882(line 3882) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2021-11-16 23:50:40,598 INFO L858 garLoopResultBuilder]: For program point L3882-1(line 3882) no Hoare annotation was computed. [2021-11-16 23:50:40,599 INFO L854 garLoopResultBuilder]: At program point L3878(line 3878) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2021-11-16 23:50:40,599 INFO L858 garLoopResultBuilder]: For program point L3876(line 3876) no Hoare annotation was computed. [2021-11-16 23:50:40,599 INFO L858 garLoopResultBuilder]: For program point pf_commandFINAL(lines 3860 3892) no Hoare annotation was computed. [2021-11-16 23:50:40,599 INFO L858 garLoopResultBuilder]: For program point L3878-1(line 3878) no Hoare annotation was computed. [2021-11-16 23:50:40,600 INFO L854 garLoopResultBuilder]: At program point L3874(line 3874) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2021-11-16 23:50:40,600 INFO L858 garLoopResultBuilder]: For program point L3868(lines 3868 3872) no Hoare annotation was computed. [2021-11-16 23:50:40,600 INFO L861 garLoopResultBuilder]: At program point L3866(line 3866) the Hoare annotation is: true [2021-11-16 23:50:40,600 INFO L858 garLoopResultBuilder]: For program point L3866-1(line 3866) no Hoare annotation was computed. [2021-11-16 23:50:40,600 INFO L861 garLoopResultBuilder]: At program point pf_commandENTRY(lines 3860 3892) the Hoare annotation is: true [2021-11-16 23:50:40,600 INFO L858 garLoopResultBuilder]: For program point L3889-1(line 3889) no Hoare annotation was computed. [2021-11-16 23:50:40,600 INFO L858 garLoopResultBuilder]: For program point pf_commandEXIT(lines 3860 3892) no Hoare annotation was computed. [2021-11-16 23:50:40,600 INFO L854 garLoopResultBuilder]: At program point L3889(line 3889) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2021-11-16 23:50:40,600 INFO L858 garLoopResultBuilder]: For program point L3885-1(line 3885) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L854 garLoopResultBuilder]: At program point L3885(line 3885) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L3883(lines 3883 3888) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L3877(lines 3877 3881) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L854 garLoopResultBuilder]: At program point L3875(line 3875) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L4383(line 4383) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L4346(lines 4346 4349) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L4375(lines 4375 4379) no Hoare annotation was computed. [2021-11-16 23:50:40,601 INFO L858 garLoopResultBuilder]: For program point L4371(lines 4371 4374) no Hoare annotation was computed. [2021-11-16 23:50:40,607 INFO L858 garLoopResultBuilder]: For program point L4338(lines 4338 4358) no Hoare annotation was computed. [2021-11-16 23:50:40,608 INFO L858 garLoopResultBuilder]: For program point L4363(lines 4363 4367) no Hoare annotation was computed. [2021-11-16 23:50:40,608 INFO L861 garLoopResultBuilder]: At program point L4351(lines 4341 4358) the Hoare annotation is: true [2021-11-16 23:50:40,608 INFO L858 garLoopResultBuilder]: For program point L4384(lines 4384 4387) no Hoare annotation was computed. [2021-11-16 23:50:40,608 INFO L858 garLoopResultBuilder]: For program point L4376-1(line 4376) no Hoare annotation was computed. [2021-11-16 23:50:40,608 INFO L861 garLoopResultBuilder]: At program point L4376(line 4376) the Hoare annotation is: true [2021-11-16 23:50:40,608 INFO L861 garLoopResultBuilder]: At program point L4339(line 4339) the Hoare annotation is: true [2021-11-16 23:50:40,608 INFO L858 garLoopResultBuilder]: For program point L4339-1(line 4339) no Hoare annotation was computed. [2021-11-16 23:50:40,608 INFO L861 garLoopResultBuilder]: At program point L4364(lines 4332 4369) the Hoare annotation is: true [2021-11-16 23:50:40,610 INFO L861 garLoopResultBuilder]: At program point L4393(lines 4332 4396) the Hoare annotation is: true [2021-11-16 23:50:40,611 INFO L861 garLoopResultBuilder]: At program point L4389(lines 4369 4396) the Hoare annotation is: true [2021-11-16 23:50:40,611 INFO L858 garLoopResultBuilder]: For program point L4352(lines 4352 4356) no Hoare annotation was computed. [2021-11-16 23:50:40,611 INFO L858 garLoopResultBuilder]: For program point pf_probeEXIT(lines 4324 4399) no Hoare annotation was computed. [2021-11-16 23:50:40,611 INFO L858 garLoopResultBuilder]: For program point L4336(line 4336) no Hoare annotation was computed. [2021-11-16 23:50:40,611 INFO L858 garLoopResultBuilder]: For program point L4332(lines 4332 4396) no Hoare annotation was computed. [2021-11-16 23:50:40,615 INFO L858 garLoopResultBuilder]: For program point L4390(lines 4390 4394) no Hoare annotation was computed. [2021-11-16 23:50:40,615 INFO L861 garLoopResultBuilder]: At program point L4353(lines 4341 4358) the Hoare annotation is: true [2021-11-16 23:50:40,617 INFO L858 garLoopResultBuilder]: For program point L4345(line 4345) no Hoare annotation was computed. [2021-11-16 23:50:40,617 INFO L854 garLoopResultBuilder]: At program point L4370(line 4370) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2021-11-16 23:50:40,617 INFO L854 garLoopResultBuilder]: At program point pf_probeENTRY(lines 4324 4399) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2021-11-16 23:50:40,617 INFO L858 garLoopResultBuilder]: For program point L4337(lines 4337 4360) no Hoare annotation was computed. [2021-11-16 23:50:40,617 INFO L858 garLoopResultBuilder]: For program point L4370-1(line 4370) no Hoare annotation was computed. [2021-11-16 23:50:40,618 INFO L861 garLoopResultBuilder]: At program point L4337-1(lines 4337 4360) the Hoare annotation is: true [2021-11-16 23:50:40,619 INFO L861 garLoopResultBuilder]: At program point L4362(lines 4332 4369) the Hoare annotation is: true [2021-11-16 23:50:40,619 INFO L861 garLoopResultBuilder]: At program point L4391(lines 4369 4396) the Hoare annotation is: true [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point pf_probeFINAL(lines 4324 4399) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L861 garLoopResultBuilder]: At program point pi_read_blockENTRY(lines 5685 5687) the Hoare annotation is: true [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point pi_read_blockFINAL(lines 5685 5687) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5685 5687) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point L3842-1(line 3842) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L861 garLoopResultBuilder]: At program point L3838(lines 3822 3858) the Hoare annotation is: true [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point L3832(lines 3832 3836) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point L3828(line 3828) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L861 garLoopResultBuilder]: At program point L3826(lines 3822 3858) the Hoare annotation is: true [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point L3849-1(lines 3849 3853) no Hoare annotation was computed. [2021-11-16 23:50:40,620 INFO L858 garLoopResultBuilder]: For program point L3845(lines 3845 3848) no Hoare annotation was computed. [2021-11-16 23:50:40,621 INFO L858 garLoopResultBuilder]: For program point L3843-1(line 3843) no Hoare annotation was computed. [2021-11-16 23:50:40,621 INFO L861 garLoopResultBuilder]: At program point L3843(line 3843) the Hoare annotation is: true [2021-11-16 23:50:40,621 INFO L858 garLoopResultBuilder]: For program point L3845-2(lines 3841 3855) no Hoare annotation was computed. [2021-11-16 23:50:40,621 INFO L861 garLoopResultBuilder]: At program point L3833(lines 3822 3858) the Hoare annotation is: true [2021-11-16 23:50:40,621 INFO L858 garLoopResultBuilder]: For program point pf_waitFINAL(lines 3815 3859) no Hoare annotation was computed. [2021-11-16 23:50:40,621 INFO L858 garLoopResultBuilder]: For program point L3829(lines 3829 3839) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L861 garLoopResultBuilder]: At program point pf_waitENTRY(lines 3815 3859) the Hoare annotation is: true [2021-11-16 23:50:40,622 INFO L858 garLoopResultBuilder]: For program point pf_waitEXIT(lines 3815 3859) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L861 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: true [2021-11-16 23:50:40,622 INFO L861 garLoopResultBuilder]: At program point L3842(line 3842) the Hoare annotation is: true [2021-11-16 23:50:40,622 INFO L858 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L858 garLoopResultBuilder]: For program point read_regFINAL(lines 3801 3807) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L861 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: true [2021-11-16 23:50:40,622 INFO L858 garLoopResultBuilder]: For program point read_regEXIT(lines 3801 3807) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L858 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2021-11-16 23:50:40,622 INFO L861 garLoopResultBuilder]: At program point read_regENTRY(lines 3801 3807) the Hoare annotation is: true [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4284(lines 4284 4287) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4247(lines 4247 4255) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4247-1(lines 4247 4255) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4239(lines 4239 4243) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point pf_identifyEXIT(lines 4259 4323) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L861 garLoopResultBuilder]: At program point L4301(line 4301) the Hoare annotation is: true [2021-11-16 23:50:40,623 INFO L861 garLoopResultBuilder]: At program point L4301-1(line 4301) the Hoare annotation is: true [2021-11-16 23:50:40,623 INFO L861 garLoopResultBuilder]: At program point L4318(line 4318) the Hoare annotation is: true [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4289(lines 4289 4297) no Hoare annotation was computed. [2021-11-16 23:50:40,623 INFO L861 garLoopResultBuilder]: At program point L4256(lines 4219 4258) the Hoare annotation is: true [2021-11-16 23:50:40,623 INFO L858 garLoopResultBuilder]: For program point L4314(lines 4314 4317) no Hoare annotation was computed. [2021-11-16 23:50:40,624 INFO L858 garLoopResultBuilder]: For program point L4318-1(line 4318) no Hoare annotation was computed. [2021-11-16 23:50:40,624 INFO L858 garLoopResultBuilder]: For program point L4248-1(line 4248) no Hoare annotation was computed. [2021-11-16 23:50:40,624 INFO L861 garLoopResultBuilder]: At program point L4248(line 4248) the Hoare annotation is: true [2021-11-16 23:50:40,624 INFO L858 garLoopResultBuilder]: For program point L4314-2(lines 4314 4317) no Hoare annotation was computed. [2021-11-16 23:50:40,624 INFO L858 garLoopResultBuilder]: For program point L4244-1(line 4244) no Hoare annotation was computed. [2021-11-16 23:50:40,624 INFO L861 garLoopResultBuilder]: At program point L4244(line 4244) the Hoare annotation is: true [2021-11-16 23:50:40,624 INFO L861 garLoopResultBuilder]: At program point L4302(line 4302) the Hoare annotation is: true [2021-11-16 23:50:40,624 INFO L861 garLoopResultBuilder]: At program point L4298(line 4298) the Hoare annotation is: true [2021-11-16 23:50:40,624 INFO L858 garLoopResultBuilder]: For program point pf_identifyFINAL(lines 4259 4323) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L861 garLoopResultBuilder]: At program point L4298-1(line 4298) the Hoare annotation is: true [2021-11-16 23:50:40,625 INFO L858 garLoopResultBuilder]: For program point L4290(lines 4290 4294) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L858 garLoopResultBuilder]: For program point L4290-2(lines 4290 4294) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L858 garLoopResultBuilder]: For program point L4311(lines 4311 4320) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L858 garLoopResultBuilder]: For program point L4249(lines 4249 4253) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L858 garLoopResultBuilder]: For program point L4307(lines 4307 4310) no Hoare annotation was computed. [2021-11-16 23:50:40,625 INFO L861 garLoopResultBuilder]: At program point L4245(line 4245) the Hoare annotation is: true [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4311-2(lines 4311 4320) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4245-1(line 4245) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4303(line 4303) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L854 garLoopResultBuilder]: At program point pf_identifyENTRY(lines 4259 4323) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4307-2(lines 4307 4310) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4299(line 4299) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L861 garLoopResultBuilder]: At program point L4283(line 4283) the Hoare annotation is: true [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4283-1(line 4283) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L861 garLoopResultBuilder]: At program point L4246(line 4246) the Hoare annotation is: true [2021-11-16 23:50:40,626 INFO L858 garLoopResultBuilder]: For program point L4246-1(line 4246) no Hoare annotation was computed. [2021-11-16 23:50:40,626 INFO L861 garLoopResultBuilder]: At program point L4238(line 4238) the Hoare annotation is: true [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point L4238-1(line 4238) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point pf_sleepEXIT(lines 4054 4060) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L861 garLoopResultBuilder]: At program point L5718(lines 5717 5719) the Hoare annotation is: true [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point pf_sleepFINAL(lines 4054 4060) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L861 garLoopResultBuilder]: At program point pf_sleepENTRY(lines 4054 4060) the Hoare annotation is: true [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point pf_mode_senseEXIT(lines 4138 4162) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point L4156(lines 4156 4159) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L861 garLoopResultBuilder]: At program point L4154(line 4154) the Hoare annotation is: true [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point L4156-2(lines 4156 4159) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L858 garLoopResultBuilder]: For program point L4154-1(line 4154) no Hoare annotation was computed. [2021-11-16 23:50:40,627 INFO L854 garLoopResultBuilder]: At program point pf_mode_senseENTRY(lines 4138 4162) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point pf_mode_senseFINAL(lines 4138 4162) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point L5647(line 5647) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L854 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5645 5649) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5645 5649) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5645 5649) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5695 5697) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L861 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 5695 5697) the Hoare annotation is: true [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 5695 5697) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L858 garLoopResultBuilder]: For program point L5583(lines 5583 5586) no Hoare annotation was computed. [2021-11-16 23:50:40,628 INFO L854 garLoopResultBuilder]: At program point L5585(line 5585) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,629 INFO L858 garLoopResultBuilder]: For program point L5585-1(lines 5583 5586) no Hoare annotation was computed. [2021-11-16 23:50:40,629 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexEXIT(lines 5580 5590) no Hoare annotation was computed. [2021-11-16 23:50:40,629 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_pf_mutexENTRY(lines 5580 5590) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2021-11-16 23:50:40,629 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexFINAL(lines 5580 5590) no Hoare annotation was computed. [2021-11-16 23:50:40,629 INFO L858 garLoopResultBuilder]: For program point pf_check_eventsFINAL(lines 3788 3793) no Hoare annotation was computed. [2021-11-16 23:50:40,629 INFO L858 garLoopResultBuilder]: For program point pf_check_eventsEXIT(lines 3788 3793) no Hoare annotation was computed. [2021-11-16 23:50:40,629 INFO L861 garLoopResultBuilder]: At program point pf_check_eventsENTRY(lines 3788 3793) the Hoare annotation is: true [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point pi_initEXIT(lines 5682 5684) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L861 garLoopResultBuilder]: At program point pi_initENTRY(lines 5682 5684) the Hoare annotation is: true [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point pi_initFINAL(lines 5682 5684) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L861 garLoopResultBuilder]: At program point unregister_blkdevENTRY(lines 5720 5722) the Hoare annotation is: true [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point unregister_blkdevEXIT(lines 5720 5722) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point unregister_blkdevFINAL(lines 5720 5722) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L861 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 5689 5691) the Hoare annotation is: true [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 5689 5691) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L858 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5689 5691) no Hoare annotation was computed. [2021-11-16 23:50:40,630 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 5669 5671) the Hoare annotation is: true [2021-11-16 23:50:40,631 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5669 5671) no Hoare annotation was computed. [2021-11-16 23:50:40,631 INFO L858 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 5669 5671) no Hoare annotation was computed. [2021-11-16 23:50:40,631 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 5162 5167) no Hoare annotation was computed. [2021-11-16 23:50:40,631 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5162 5167) the Hoare annotation is: true [2021-11-16 23:50:40,632 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5165) no Hoare annotation was computed. [2021-11-16 23:50:40,635 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5162 5167) no Hoare annotation was computed. [2021-11-16 23:50:40,635 INFO L861 garLoopResultBuilder]: At program point pi_connectENTRY(lines 5672 5674) the Hoare annotation is: true [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5672 5674) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point pi_connectFINAL(lines 5672 5674) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point put_diskFINAL(lines 5705 5707) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L861 garLoopResultBuilder]: At program point put_diskENTRY(lines 5705 5707) the Hoare annotation is: true [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point put_diskEXIT(lines 5705 5707) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point get_capacityEXIT(lines 3441 3446) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L861 garLoopResultBuilder]: At program point get_capacityENTRY(lines 3441 3446) the Hoare annotation is: true [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point get_capacityFINAL(lines 3441 3446) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L858 garLoopResultBuilder]: For program point set_capacityEXIT(lines 3447 3453) no Hoare annotation was computed. [2021-11-16 23:50:40,636 INFO L854 garLoopResultBuilder]: At program point set_capacityENTRY(lines 3447 3453) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point set_capacityFINAL(lines 3447 3453) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point L4030(line 4030) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point L4025(lines 4025 4029) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point pf_lockEXIT(lines 4009 4033) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L861 garLoopResultBuilder]: At program point L4025-2(lines 4025 4029) the Hoare annotation is: true [2021-11-16 23:50:40,637 INFO L854 garLoopResultBuilder]: At program point pf_lockENTRY(lines 4009 4033) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point pf_lockFINAL(lines 4009 4033) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L861 garLoopResultBuilder]: At program point L3964(line 3964) the Hoare annotation is: true [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point L3964-1(line 3964) no Hoare annotation was computed. [2021-11-16 23:50:40,637 INFO L858 garLoopResultBuilder]: For program point L3956(lines 3956 3960) no Hoare annotation was computed. [2021-11-16 23:50:40,638 INFO L854 garLoopResultBuilder]: At program point L3952(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2021-11-16 23:50:40,638 INFO L861 garLoopResultBuilder]: At program point L3946(lines 3946 3962) the Hoare annotation is: true [2021-11-16 23:50:40,638 INFO L858 garLoopResultBuilder]: For program point L3967-1(lines 3967 3971) no Hoare annotation was computed. [2021-11-16 23:50:40,638 INFO L858 garLoopResultBuilder]: For program point L3963-1(lines 3932 3973) no Hoare annotation was computed. [2021-11-16 23:50:40,638 INFO L861 garLoopResultBuilder]: At program point L3959(lines 3932 3973) the Hoare annotation is: true [2021-11-16 23:50:40,638 INFO L858 garLoopResultBuilder]: For program point pf_req_senseFINAL(lines 3926 3974) no Hoare annotation was computed. [2021-11-16 23:50:40,638 INFO L854 garLoopResultBuilder]: At program point L3957(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2021-11-16 23:50:40,638 INFO L858 garLoopResultBuilder]: For program point L3945-1(line 3945) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point pf_req_senseEXIT(lines 3926 3974) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L861 garLoopResultBuilder]: At program point L3945(line 3945) the Hoare annotation is: true [2021-11-16 23:50:40,639 INFO L854 garLoopResultBuilder]: At program point pf_req_senseENTRY(lines 3926 3974) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2021-11-16 23:50:40,639 INFO L861 garLoopResultBuilder]: At program point L3904(line 3904) the Hoare annotation is: true [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point L3906-1(line 3906) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point L3904-1(line 3904) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point L3917-1(line 3917) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L861 garLoopResultBuilder]: At program point L3917(line 3917) the Hoare annotation is: true [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point pf_completionFINAL(lines 3893 3925) no Hoare annotation was computed. [2021-11-16 23:50:40,639 INFO L858 garLoopResultBuilder]: For program point L3911-1(line 3911) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L861 garLoopResultBuilder]: At program point L3911(line 3911) the Hoare annotation is: true [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3909-1(line 3909) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L861 garLoopResultBuilder]: At program point L3909(line 3909) the Hoare annotation is: true [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3907(lines 3907 3913) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L861 garLoopResultBuilder]: At program point L3905-1(lines 3905 3915) the Hoare annotation is: true [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3905(lines 3905 3915) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3903-1(line 3903) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L861 garLoopResultBuilder]: At program point L3903(line 3903) the Hoare annotation is: true [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3918(lines 3918 3922) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point pf_completionEXIT(lines 3893 3925) no Hoare annotation was computed. [2021-11-16 23:50:40,640 INFO L858 garLoopResultBuilder]: For program point L3916(line 3916) no Hoare annotation was computed. [2021-11-16 23:50:40,641 INFO L858 garLoopResultBuilder]: For program point L3918-2(lines 3918 3922) no Hoare annotation was computed. [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point pf_completionENTRY(lines 3893 3925) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point L3908(line 3908) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point L3906(line 3906) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L858 garLoopResultBuilder]: For program point L3908-1(line 3908) no Hoare annotation was computed. [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point L4209(lines 4202 4217) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L858 garLoopResultBuilder]: For program point xlEXIT(lines 4199 4218) no Hoare annotation was computed. [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point L4211(lines 4202 4217) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point xlENTRY(lines 4199 4218) the Hoare annotation is: true [2021-11-16 23:50:40,641 INFO L858 garLoopResultBuilder]: For program point xlFINAL(lines 4199 4218) no Hoare annotation was computed. [2021-11-16 23:50:40,641 INFO L861 garLoopResultBuilder]: At program point L4213(lines 4202 4217) the Hoare annotation is: true [2021-11-16 23:50:40,642 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 5662 5664) the Hoare annotation is: true [2021-11-16 23:50:40,642 INFO L858 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 5662 5664) no Hoare annotation was computed. [2021-11-16 23:50:40,642 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5662 5664) no Hoare annotation was computed. [2021-11-16 23:50:40,642 INFO L854 garLoopResultBuilder]: At program point L4891(line 4891) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,642 INFO L858 garLoopResultBuilder]: For program point L4891-1(line 4891) no Hoare annotation was computed. [2021-11-16 23:50:40,642 INFO L854 garLoopResultBuilder]: At program point L3702(line 3702) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,642 INFO L854 garLoopResultBuilder]: At program point L4825(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,642 INFO L858 garLoopResultBuilder]: For program point L3702-1(line 3702) no Hoare annotation was computed. [2021-11-16 23:50:40,642 INFO L854 garLoopResultBuilder]: At program point L5618(line 5618) the Hoare annotation is: false [2021-11-16 23:50:40,643 INFO L861 garLoopResultBuilder]: At program point L5618-1(lines 5601 5622) the Hoare annotation is: true [2021-11-16 23:50:40,643 INFO L854 garLoopResultBuilder]: At program point L5156(lines 5152 5159) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,643 INFO L858 garLoopResultBuilder]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2021-11-16 23:50:40,643 INFO L854 garLoopResultBuilder]: At program point L4892(line 4892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,643 INFO L858 garLoopResultBuilder]: For program point L4992(line 4992) no Hoare annotation was computed. [2021-11-16 23:50:40,643 INFO L854 garLoopResultBuilder]: At program point L4893(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,643 INFO L858 garLoopResultBuilder]: For program point L3704(lines 3704 3707) no Hoare annotation was computed. [2021-11-16 23:50:40,643 INFO L854 garLoopResultBuilder]: At program point L5654(line 5654) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,643 INFO L858 garLoopResultBuilder]: For program point L5654-1(line 5654) no Hoare annotation was computed. [2021-11-16 23:50:40,643 INFO L854 garLoopResultBuilder]: At program point L5654-2(lines 5653 5655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L4432(lines 4432 4435) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L5027(line 5027) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L4961(line 4961) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L4962(lines 4962 4966) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L4962-2(lines 4936 4994) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L854 garLoopResultBuilder]: At program point L4896(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,644 INFO L854 garLoopResultBuilder]: At program point L4963(line 4963) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L4963-1(line 4963) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L858 garLoopResultBuilder]: For program point L3774(lines 3774 3778) no Hoare annotation was computed. [2021-11-16 23:50:40,644 INFO L854 garLoopResultBuilder]: At program point L4864(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,644 INFO L854 garLoopResultBuilder]: At program point L5657(lines 5656 5658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,645 INFO L854 garLoopResultBuilder]: At program point L4898(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L4832(lines 4832 4850) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L3709(lines 3709 3712) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L4436-1(lines 4436 4437) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L854 garLoopResultBuilder]: At program point L4436(lines 4436 4437) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L4932(lines 4932 5036) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L854 garLoopResultBuilder]: At program point L4833(line 4833) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L4833-1(line 4833) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L858 garLoopResultBuilder]: For program point L4999(line 4999) no Hoare annotation was computed. [2021-11-16 23:50:40,645 INFO L854 garLoopResultBuilder]: At program point L4867(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4933(line 4933) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L854 garLoopResultBuilder]: At program point L4900(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4801(lines 4801 4804) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L854 garLoopResultBuilder]: At program point L5660(lines 5659 5661) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4438(lines 4438 4451) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4934(lines 4934 4997) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L5000(lines 5000 5032) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L3679(lines 3679 3682) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4439(lines 4439 4449) no Hoare annotation was computed. [2021-11-16 23:50:40,646 INFO L858 garLoopResultBuilder]: For program point L4472-1(line 4472) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L854 garLoopResultBuilder]: At program point L4472(line 4472) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L5034(line 5034) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L4968-1(line 4968) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L854 garLoopResultBuilder]: At program point L4968(line 4968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,647 INFO L854 garLoopResultBuilder]: At program point L4869(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L4440-1(line 4440) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L854 garLoopResultBuilder]: At program point L4440(line 4440) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L5002(lines 5002 5029) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L4936(lines 4936 4994) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L3780(line 3780) no Hoare annotation was computed. [2021-11-16 23:50:40,647 INFO L858 garLoopResultBuilder]: For program point L3780-2(lines 3780 3783) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L3780-3(lines 3780 3783) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L4441(lines 4441 4446) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L5003(line 5003) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L854 garLoopResultBuilder]: At program point L4871(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,648 INFO L854 garLoopResultBuilder]: At program point L4838(line 4838) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L4937(line 4937) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L854 garLoopResultBuilder]: At program point L4904(lines 4877 4906) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,648 INFO L854 garLoopResultBuilder]: At program point L3781(line 3781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2021-11-16 23:50:40,648 INFO L858 garLoopResultBuilder]: For program point L3715(lines 3715 3718) no Hoare annotation was computed. [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L5598(lines 5591 5600) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L4475(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,649 INFO L858 garLoopResultBuilder]: For program point L4938(lines 4938 4942) no Hoare annotation was computed. [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L5037(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,649 INFO L858 garLoopResultBuilder]: For program point L5004(lines 5004 5009) no Hoare annotation was computed. [2021-11-16 23:50:40,649 INFO L858 garLoopResultBuilder]: For program point L4938-2(lines 4936 4994) no Hoare annotation was computed. [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L3716(line 3716) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L3683(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,649 INFO L854 garLoopResultBuilder]: At program point L4939(line 4939) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L858 garLoopResultBuilder]: For program point L4939-1(line 4939) no Hoare annotation was computed. [2021-11-16 23:50:40,650 INFO L858 garLoopResultBuilder]: For program point L4807(lines 4807 4810) no Hoare annotation was computed. [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L4477(lines 4409 4483) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L4874(lines 4794 4876) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L858 garLoopResultBuilder]: For program point L4973(line 4973) no Hoare annotation was computed. [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L4841(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L4445(line 4445) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L858 garLoopResultBuilder]: For program point L4445-1(line 4445) no Hoare annotation was computed. [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L5139(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,650 INFO L854 garLoopResultBuilder]: At program point L5139-1(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,651 INFO L858 garLoopResultBuilder]: For program point L4974(lines 4974 4979) no Hoare annotation was computed. [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L3785(lines 3769 3787) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L3686(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L3719(lines 3699 3722) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L4479(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,651 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L5107(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L5107-1(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,651 INFO L854 garLoopResultBuilder]: At program point L5140(lines 5136 5143) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,652 INFO L861 garLoopResultBuilder]: At program point L5041(lines 4921 5043) the Hoare annotation is: true [2021-11-16 23:50:40,652 INFO L854 garLoopResultBuilder]: At program point L4843(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,652 INFO L858 garLoopResultBuilder]: For program point L4414(lines 4414 4462) no Hoare annotation was computed. [2021-11-16 23:50:40,652 INFO L854 garLoopResultBuilder]: At program point L5108(lines 5104 5111) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,652 INFO L854 garLoopResultBuilder]: At program point L3688(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,652 INFO L854 garLoopResultBuilder]: At program point L3721(lines 3696 3723) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,652 INFO L858 garLoopResultBuilder]: For program point L5604(lines 5604 5607) no Hoare annotation was computed. [2021-11-16 23:50:40,652 INFO L854 garLoopResultBuilder]: At program point L4415(lines 4415 4416) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,652 INFO L858 garLoopResultBuilder]: For program point L4448-1(line 4448) no Hoare annotation was computed. [2021-11-16 23:50:40,653 INFO L858 garLoopResultBuilder]: For program point L4415-1(lines 4415 4416) no Hoare annotation was computed. [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L4448(line 4448) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L858 garLoopResultBuilder]: For program point L4944-1(line 4944) no Hoare annotation was computed. [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L4944(line 4944) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L4845(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L5638(lines 5637 5639) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L4482(lines 4400 4484) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L858 garLoopResultBuilder]: For program point L5011(line 5011) no Hoare annotation was computed. [2021-11-16 23:50:40,653 INFO L854 garLoopResultBuilder]: At program point L3690(lines 3652 3695) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,653 INFO L858 garLoopResultBuilder]: For program point L4813(lines 4813 4830) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L854 garLoopResultBuilder]: At program point L5606(line 5606) the Hoare annotation is: false [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point L5606-1(lines 5603 5621) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point L4417(lines 4417 4426) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point L5012(lines 5012 5025) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L854 garLoopResultBuilder]: At program point L4418(line 4418) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point L4418-1(line 4418) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L854 garLoopResultBuilder]: At program point L4881(line 4881) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,654 INFO L858 garLoopResultBuilder]: For program point L4881-1(line 4881) no Hoare annotation was computed. [2021-11-16 23:50:40,654 INFO L854 garLoopResultBuilder]: At program point L5641(lines 5640 5642) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L854 garLoopResultBuilder]: At program point L4452(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L4419-2(lines 4419 4424) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L5014(lines 5014 5018) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L4981(line 4981) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L5014-2(lines 5012 5024) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L854 garLoopResultBuilder]: At program point L5147(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,655 INFO L854 garLoopResultBuilder]: At program point L5147-1(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L4982(lines 4982 4990) no Hoare annotation was computed. [2021-11-16 23:50:40,655 INFO L858 garLoopResultBuilder]: For program point L4949(line 4949) no Hoare annotation was computed. [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L5610(line 5610) the Hoare annotation is: false [2021-11-16 23:50:40,656 INFO L858 garLoopResultBuilder]: For program point L5610-1(lines 5603 5621) no Hoare annotation was computed. [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L5115(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,656 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L5115-1(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L5148(lines 5144 5151) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,656 INFO L858 garLoopResultBuilder]: For program point L4950(lines 4950 4954) no Hoare annotation was computed. [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L4818(line 4818) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,656 INFO L858 garLoopResultBuilder]: For program point L4950-2(lines 4936 4994) no Hoare annotation was computed. [2021-11-16 23:50:40,656 INFO L854 garLoopResultBuilder]: At program point L5710(lines 5709 5711) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,657 INFO L858 garLoopResultBuilder]: For program point L4818-1(line 4818) no Hoare annotation was computed. [2021-11-16 23:50:40,657 INFO L854 garLoopResultBuilder]: At program point L4455(lines 4427 4462) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,657 INFO L854 garLoopResultBuilder]: At program point L5116(lines 5112 5119) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,657 INFO L854 garLoopResultBuilder]: At program point L4951(line 4951) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,657 INFO L858 garLoopResultBuilder]: For program point L4951-1(line 4951) no Hoare annotation was computed. [2021-11-16 23:50:40,657 INFO L858 garLoopResultBuilder]: For program point L4984(lines 4984 4988) no Hoare annotation was computed. [2021-11-16 23:50:40,657 INFO L854 garLoopResultBuilder]: At program point L4423(line 4423) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,657 INFO L858 garLoopResultBuilder]: For program point L4423-1(line 4423) no Hoare annotation was computed. [2021-11-16 23:50:40,657 INFO L858 garLoopResultBuilder]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2021-11-16 23:50:40,657 INFO L854 garLoopResultBuilder]: At program point L4457(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,658 INFO L854 garLoopResultBuilder]: At program point L4821(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,658 INFO L858 garLoopResultBuilder]: For program point L3665(lines 3665 3668) no Hoare annotation was computed. [2021-11-16 23:50:40,658 INFO L854 garLoopResultBuilder]: At program point L5614(line 5614) the Hoare annotation is: false [2021-11-16 23:50:40,658 INFO L858 garLoopResultBuilder]: For program point L5614-1(lines 5603 5621) no Hoare annotation was computed. [2021-11-16 23:50:40,658 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,658 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,658 INFO L854 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,658 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-16 23:50:40,658 INFO L854 garLoopResultBuilder]: At program point L4459(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,658 INFO L854 garLoopResultBuilder]: At program point L5021(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,659 INFO L854 garLoopResultBuilder]: At program point L4823(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pf_init_~tmp~31#1| 0) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,659 INFO L858 garLoopResultBuilder]: For program point L4956-1(line 4956) no Hoare annotation was computed. [2021-11-16 23:50:40,659 INFO L854 garLoopResultBuilder]: At program point L4956(line 4956) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,659 INFO L858 garLoopResultBuilder]: For program point L4857(lines 4857 4860) no Hoare annotation was computed. [2021-11-16 23:50:40,659 INFO L854 garLoopResultBuilder]: At program point L5155(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2021-11-16 23:50:40,659 INFO L854 garLoopResultBuilder]: At program point L5155-1(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2021-11-16 23:50:40,659 INFO L858 garLoopResultBuilder]: For program point L4191-1(lines 4191 4194) no Hoare annotation was computed. [2021-11-16 23:50:40,659 INFO L858 garLoopResultBuilder]: For program point xsFINAL(lines 4163 4198) no Hoare annotation was computed. [2021-11-16 23:50:40,659 INFO L854 garLoopResultBuilder]: At program point xsENTRY(lines 4163 4198) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2021-11-16 23:50:40,659 INFO L858 garLoopResultBuilder]: For program point L4175(line 4175) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point L4175-2(lines 4175 4182) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point L4175-4(lines 4175 4182) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L861 garLoopResultBuilder]: At program point L4188(lines 4169 4197) the Hoare annotation is: true [2021-11-16 23:50:40,660 INFO L861 garLoopResultBuilder]: At program point L4186(lines 4169 4197) the Hoare annotation is: true [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point xsEXIT(lines 4163 4198) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L861 garLoopResultBuilder]: At program point L4184(lines 4169 4197) the Hoare annotation is: true [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point pf_ioctlEXIT(lines 3750 3768) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L854 garLoopResultBuilder]: At program point pf_ioctlENTRY(lines 3750 3768) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point pf_ioctlFINAL(lines 3750 3768) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L858 garLoopResultBuilder]: For program point L4050(line 4050) no Hoare annotation was computed. [2021-11-16 23:50:40,660 INFO L854 garLoopResultBuilder]: At program point L4051(lines 4034 4053) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L4049-1(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L4049(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L858 garLoopResultBuilder]: For program point L3759(lines 3759 3762) no Hoare annotation was computed. [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L5131(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L5131-1(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L858 garLoopResultBuilder]: For program point L3755(lines 3755 3758) no Hoare annotation was computed. [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L5132(lines 5128 5135) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L5123(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,661 INFO L854 garLoopResultBuilder]: At program point L5123-1(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,662 INFO L854 garLoopResultBuilder]: At program point L5124(lines 5120 5127) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2021-11-16 23:50:40,664 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 23:50:40,665 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 23:50:40,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,684 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,684 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:50:40 BoogieIcfgContainer [2021-11-16 23:50:40,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 23:50:40,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 23:50:40,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 23:50:40,696 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 23:50:40,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:26" (3/4) ... [2021-11-16 23:50:40,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 23:50:40,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pf_mutex [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_check_events [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_getgeo [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2021-11-16 23:50:40,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pf_mutex [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_atapi [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_capacity [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_reset [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_command [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_probe [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2021-11-16 23:50:40,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_capacity [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_lock [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_wait [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_identify [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_sleep [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_req_sense [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_mode_sense [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_completion [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xl [2021-11-16 23:50:40,715 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-16 23:50:40,716 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2021-11-16 23:50:40,716 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_ioctl [2021-11-16 23:50:40,716 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2021-11-16 23:50:40,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 189 nodes and edges [2021-11-16 23:50:40,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2021-11-16 23:50:40,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-16 23:50:40,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-16 23:50:40,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-16 23:50:40,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 23:50:40,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 23:50:40,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2021-11-16 23:50:40,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) [2021-11-16 23:50:40,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2021-11-16 23:50:40,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) [2021-11-16 23:50:40,870 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 23:50:40,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 23:50:40,872 INFO L158 Benchmark]: Toolchain (without parser) took 378066.17ms. Allocated memory was 90.2MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 50.5MB in the beginning and 976.5MB in the end (delta: -926.0MB). Peak memory consumption was 775.9MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,875 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 23:50:40,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.06ms. Allocated memory was 90.2MB in the beginning and 140.5MB in the end (delta: 50.3MB). Free memory was 50.3MB in the beginning and 92.7MB in the end (delta: -42.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.53ms. Allocated memory is still 140.5MB. Free memory was 92.7MB in the beginning and 85.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,877 INFO L158 Benchmark]: Boogie Preprocessor took 171.79ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 94.5MB in the end (delta: -9.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,877 INFO L158 Benchmark]: RCFGBuilder took 2486.86ms. Allocated memory was 140.5MB in the beginning and 281.0MB in the end (delta: 140.5MB). Free memory was 94.5MB in the beginning and 173.2MB in the end (delta: -78.7MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,877 INFO L158 Benchmark]: TraceAbstraction took 374164.92ms. Allocated memory was 281.0MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 173.2MB in the beginning and 1.0GB in the end (delta: -850.9MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-16 23:50:40,877 INFO L158 Benchmark]: Witness Printer took 175.26ms. Allocated memory is still 1.8GB. Free memory was 1.0GB in the beginning and 976.5MB in the end (delta: 47.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-16 23:50:40,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.06ms. Allocated memory was 90.2MB in the beginning and 140.5MB in the end (delta: 50.3MB). Free memory was 50.3MB in the beginning and 92.7MB in the end (delta: -42.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.53ms. Allocated memory is still 140.5MB. Free memory was 92.7MB in the beginning and 85.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.79ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 94.5MB in the end (delta: -9.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2486.86ms. Allocated memory was 140.5MB in the beginning and 281.0MB in the end (delta: 140.5MB). Free memory was 94.5MB in the beginning and 173.2MB in the end (delta: -78.7MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * TraceAbstraction took 374164.92ms. Allocated memory was 281.0MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 173.2MB in the beginning and 1.0GB in the end (delta: -850.9MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 175.26ms. Allocated memory is still 1.8GB. Free memory was 1.0GB in the beginning and 976.5MB in the end (delta: 47.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 500 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 374.1s, OverallIterations: 32, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 119.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 217.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 12614 SdHoareTripleChecker+Valid, 115.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12104 mSDsluCounter, 47443 SdHoareTripleChecker+Invalid, 109.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26424 mSDsCounter, 3726 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18488 IncrementalHoareTripleChecker+Invalid, 22223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3726 mSolverCounterUnsat, 21019 mSDtfsCounter, 18488 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8856 GetRequests, 8648 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4451occurred in iteration=31, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 32 MinimizatonAttempts, 4895 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 225 LocationsWithAnnotation, 69492 PreInvPairs, 72050 NumberOfFragments, 4398 HoareAnnotationTreeSize, 69492 FomulaSimplifications, 356226 FormulaSimplificationTreeSizeReduction, 202.7s HoareSimplificationTime, 225 FomulaSimplificationsInter, 5486868 FormulaSimplificationTreeSizeReductionInter, 14.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 11873 NumberOfCodeBlocks, 11873 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 13823 ConstructedInterpolants, 0 QuantifiedInterpolants, 16762 SizeOfPredicates, 1 NumberOfNonLiveVariables, 43812 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 58 InterpolantComputations, 27 PerfectInterpolantSequences, 28804/28956 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5136]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5640]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4400]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3769]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5120]: Loop Invariant [2021-11-16 23:50:40,898 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,900 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,900 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 3979]: Loop Invariant [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,902 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,902 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,902 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,902 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-16 23:50:40,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-16 23:50:40,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3652]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5659]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3696]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5653]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5104]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5637]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4877]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5112]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5128]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5144]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5152]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5656]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4034]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 5591]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && pf_drive_count == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5709]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3699]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && tmp == 0) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4794]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 RESULT: Ultimate proved your program to be correct! [2021-11-16 23:50:40,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE