./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:46:13,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:46:13,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:46:13,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:46:13,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:46:13,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:46:13,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:46:13,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:46:13,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:46:13,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:46:13,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:46:13,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:46:13,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:46:13,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:46:13,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:46:13,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:46:13,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:46:13,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:46:13,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:46:13,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:46:13,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:46:13,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:46:13,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:46:13,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:46:13,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:46:13,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:46:13,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:46:13,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:46:13,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:46:13,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:46:13,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:46:13,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:46:13,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:46:13,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:46:13,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:46:13,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:46:13,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:46:13,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:46:13,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:46:13,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:46:13,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:46:13,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:46:13,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:46:13,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:46:13,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:46:13,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:46:13,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:46:13,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:46:13,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:46:13,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:46:13,887 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:46:13,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:46:13,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:46:13,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:46:13,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:46:13,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:46:13,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:46:13,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:46:13,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:46:13,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:46:13,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:46:13,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:46:13,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:46:13,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:13,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:46:13,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:46:13,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:46:13,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:46:13,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:46:13,893 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:46:13,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:46:13,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:46:13,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2022-11-02 20:46:14,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:46:14,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:46:14,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:46:14,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:46:14,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:46:14,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-02 20:46:14,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/data/3d23d4054/fdcecea92b764410a229cb680da2ed47/FLAG97632a7f6 [2022-11-02 20:46:15,375 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:46:15,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-02 20:46:15,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/data/3d23d4054/fdcecea92b764410a229cb680da2ed47/FLAG97632a7f6 [2022-11-02 20:46:15,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/data/3d23d4054/fdcecea92b764410a229cb680da2ed47 [2022-11-02 20:46:15,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:46:15,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:46:15,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:15,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:46:15,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:46:15,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:15" (1/1) ... [2022-11-02 20:46:15,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef3fb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:15, skipping insertion in model container [2022-11-02 20:46:15,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:15" (1/1) ... [2022-11-02 20:46:15,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:46:15,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:46:16,442 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2022-11-02 20:46:16,443 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2022-11-02 20:46:16,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2022-11-02 20:46:18,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:18,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:46:18,427 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2022-11-02 20:46:18,428 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2022-11-02 20:46:18,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2022-11-02 20:46:18,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:18,929 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:46:18,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18 WrapperNode [2022-11-02 20:46:18,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:18,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:18,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:46:18,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:46:18,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,328 INFO L138 Inliner]: procedures = 245, calls = 3249, calls flagged for inlining = 96, calls inlined = 88, statements flattened = 4871 [2022-11-02 20:46:19,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:19,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:46:19,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:46:19,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:46:19,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:46:19,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:46:19,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:46:19,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:46:19,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (1/1) ... [2022-11-02 20:46:19,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:19,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:19,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:46:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2022-11-02 20:46:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2022-11-02 20:46:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2022-11-02 20:46:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2022-11-02 20:46:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2022-11-02 20:46:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2022-11-02 20:46:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2022-11-02 20:46:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2022-11-02 20:46:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2022-11-02 20:46:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2022-11-02 20:46:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:46:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:46:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:46:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:46:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-02 20:46:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-02 20:46:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:46:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:46:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:46:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:46:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-02 20:46:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-02 20:46:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2022-11-02 20:46:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2022-11-02 20:46:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2022-11-02 20:46:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2022-11-02 20:46:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-02 20:46:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-02 20:46:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-02 20:46:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-02 20:46:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:46:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:46:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:46:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:46:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:46:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:46:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2022-11-02 20:46:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2022-11-02 20:46:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2022-11-02 20:46:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2022-11-02 20:46:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2022-11-02 20:46:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2022-11-02 20:46:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2022-11-02 20:46:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2022-11-02 20:46:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2022-11-02 20:46:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2022-11-02 20:46:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2022-11-02 20:46:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2022-11-02 20:46:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-02 20:46:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-02 20:46:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:46:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-02 20:46:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-02 20:46:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:46:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:46:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2022-11-02 20:46:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2022-11-02 20:46:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-02 20:46:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-02 20:46:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:46:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2022-11-02 20:46:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2022-11-02 20:46:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2022-11-02 20:46:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2022-11-02 20:46:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:46:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:46:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:46:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:46:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2022-11-02 20:46:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2022-11-02 20:46:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:46:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:46:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2022-11-02 20:46:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2022-11-02 20:46:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2022-11-02 20:46:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2022-11-02 20:46:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2022-11-02 20:46:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2022-11-02 20:46:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-02 20:46:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-02 20:46:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2022-11-02 20:46:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2022-11-02 20:46:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2022-11-02 20:46:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2022-11-02 20:46:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2022-11-02 20:46:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2022-11-02 20:46:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2022-11-02 20:46:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2022-11-02 20:46:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:46:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:46:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-02 20:46:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-02 20:46:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2022-11-02 20:46:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2022-11-02 20:46:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2022-11-02 20:46:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2022-11-02 20:46:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-02 20:46:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-02 20:46:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2022-11-02 20:46:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2022-11-02 20:46:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2022-11-02 20:46:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2022-11-02 20:46:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:46:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:46:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:46:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2022-11-02 20:46:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2022-11-02 20:46:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-02 20:46:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-02 20:46:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2022-11-02 20:46:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2022-11-02 20:46:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:46:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:46:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2022-11-02 20:46:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2022-11-02 20:46:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:46:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:46:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:46:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2022-11-02 20:46:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2022-11-02 20:46:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2022-11-02 20:46:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2022-11-02 20:46:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2022-11-02 20:46:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2022-11-02 20:46:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2022-11-02 20:46:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2022-11-02 20:46:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:46:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-02 20:46:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-02 20:46:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2022-11-02 20:46:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2022-11-02 20:46:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2022-11-02 20:46:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2022-11-02 20:46:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:46:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:46:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2022-11-02 20:46:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2022-11-02 20:46:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2022-11-02 20:46:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2022-11-02 20:46:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:46:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:46:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2022-11-02 20:46:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2022-11-02 20:46:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-02 20:46:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-02 20:46:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:46:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:46:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:46:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-02 20:46:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-02 20:46:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2022-11-02 20:46:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2022-11-02 20:46:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2022-11-02 20:46:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2022-11-02 20:46:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:46:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:46:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2022-11-02 20:46:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2022-11-02 20:46:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:46:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2022-11-02 20:46:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2022-11-02 20:46:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-02 20:46:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-02 20:46:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:46:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:46:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:46:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:46:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2022-11-02 20:46:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2022-11-02 20:46:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:46:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:46:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:46:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:46:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2022-11-02 20:46:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2022-11-02 20:46:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:46:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:46:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2022-11-02 20:46:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2022-11-02 20:46:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2022-11-02 20:46:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2022-11-02 20:46:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-02 20:46:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-02 20:46:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:46:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:46:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2022-11-02 20:46:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2022-11-02 20:46:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:46:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:46:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:46:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:46:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2022-11-02 20:46:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2022-11-02 20:46:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 20:46:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 20:46:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2022-11-02 20:46:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2022-11-02 20:46:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:46:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:46:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:46:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:46:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:46:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:46:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:46:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2022-11-02 20:46:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2022-11-02 20:46:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:46:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:46:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:46:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:46:20,906 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:46:20,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:46:21,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:46:27,671 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:46:27,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:46:27,704 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:46:27,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:27 BoogieIcfgContainer [2022-11-02 20:46:27,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:46:27,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:46:27,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:46:27,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:46:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:46:15" (1/3) ... [2022-11-02 20:46:27,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a137fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:27, skipping insertion in model container [2022-11-02 20:46:27,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:18" (2/3) ... [2022-11-02 20:46:27,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a137fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:27, skipping insertion in model container [2022-11-02 20:46:27,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:27" (3/3) ... [2022-11-02 20:46:27,719 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-02 20:46:27,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:46:27,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:46:27,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:46:27,881 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c1074ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:46:27,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:46:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-02 20:46:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-02 20:46:27,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:27,924 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:27,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:46:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:27,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2012223446, now seen corresponding path program 1 times [2022-11-02 20:46:27,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:27,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275266721] [2022-11-02 20:46:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:27,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:46:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:46:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:46:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:46:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:46:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:46:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:46:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:46:29,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:29,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275266721] [2022-11-02 20:46:29,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275266721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:29,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:29,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:46:29,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096679223] [2022-11-02 20:46:29,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:29,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:46:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:29,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:46:29,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:46:29,085 INFO L87 Difference]: Start difference. First operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:46:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:43,225 INFO L93 Difference]: Finished difference Result 5706 states and 8391 transitions. [2022-11-02 20:46:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:46:43,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79 [2022-11-02 20:46:43,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:43,295 INFO L225 Difference]: With dead ends: 5706 [2022-11-02 20:46:43,295 INFO L226 Difference]: Without dead ends: 3827 [2022-11-02 20:46:43,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:46:43,326 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 4239 mSDsluCounter, 3621 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 3061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 6219 SdHoareTripleChecker+Invalid, 6315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3061 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:43,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4556 Valid, 6219 Invalid, 6315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3061 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-11-02 20:46:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-11-02 20:46:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3563. [2022-11-02 20:46:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2426 states have (on average 1.311624072547403) internal successors, (3182), 2479 states have internal predecessors, (3182), 947 states have call successors, (947), 190 states have call predecessors, (947), 189 states have return successors, (946), 939 states have call predecessors, (946), 946 states have call successors, (946) [2022-11-02 20:46:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5075 transitions. [2022-11-02 20:46:43,729 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5075 transitions. Word has length 79 [2022-11-02 20:46:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:43,731 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 5075 transitions. [2022-11-02 20:46:43,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:46:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5075 transitions. [2022-11-02 20:46:43,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-02 20:46:43,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:43,755 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 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] [2022-11-02 20:46:43,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:46:43,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:46:43,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:43,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2050837602, now seen corresponding path program 1 times [2022-11-02 20:46:43,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:43,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592278782] [2022-11-02 20:46:43,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:43,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:46:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:46:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:46:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:46:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:46:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:46:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:46:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:46:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:46:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:46:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:46:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:46:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:46:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:46:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:46:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:46:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:46:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:46:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:46:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2022-11-02 20:46:44,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:44,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592278782] [2022-11-02 20:46:44,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592278782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:44,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:44,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:46:44,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101700734] [2022-11-02 20:46:44,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:44,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:46:44,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:46:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:46:44,887 INFO L87 Difference]: Start difference. First operand 3563 states and 5075 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-02 20:46:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:58,143 INFO L93 Difference]: Finished difference Result 5955 states and 8534 transitions. [2022-11-02 20:46:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:46:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2022-11-02 20:46:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:58,187 INFO L225 Difference]: With dead ends: 5955 [2022-11-02 20:46:58,187 INFO L226 Difference]: Without dead ends: 5952 [2022-11-02 20:46:58,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:46:58,193 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 2942 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 3004 mSolverCounterSat, 2169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3164 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 5173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2169 IncrementalHoareTripleChecker+Valid, 3004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:58,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3164 Valid, 6636 Invalid, 5173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2169 Valid, 3004 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2022-11-02 20:46:58,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2022-11-02 20:46:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5581. [2022-11-02 20:46:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 3780 states have (on average 1.294179894179894) internal successors, (4892), 3871 states have internal predecessors, (4892), 1477 states have call successors, (1477), 320 states have call predecessors, (1477), 323 states have return successors, (1527), 1459 states have call predecessors, (1527), 1476 states have call successors, (1527) [2022-11-02 20:46:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 7896 transitions. [2022-11-02 20:46:58,550 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 7896 transitions. Word has length 165 [2022-11-02 20:46:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:58,551 INFO L495 AbstractCegarLoop]: Abstraction has 5581 states and 7896 transitions. [2022-11-02 20:46:58,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-02 20:46:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 7896 transitions. [2022-11-02 20:46:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-02 20:46:58,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:58,564 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:58,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:46:58,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:46:58,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash 987581138, now seen corresponding path program 1 times [2022-11-02 20:46:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:58,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862411327] [2022-11-02 20:46:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:46:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:46:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:46:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:46:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:46:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:46:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:46:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:46:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:46:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:46:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:46:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:46:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:46:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:46:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:46:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:46:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:46:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:46:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:46:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 20:46:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-11-02 20:46:59,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:59,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862411327] [2022-11-02 20:46:59,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862411327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:59,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:59,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:46:59,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803374406] [2022-11-02 20:46:59,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:59,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:46:59,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:59,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:46:59,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:46:59,352 INFO L87 Difference]: Start difference. First operand 5581 states and 7896 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 20:47:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:17,955 INFO L93 Difference]: Finished difference Result 17380 states and 24791 transitions. [2022-11-02 20:47:17,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:47:17,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 206 [2022-11-02 20:47:17,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:18,042 INFO L225 Difference]: With dead ends: 17380 [2022-11-02 20:47:18,043 INFO L226 Difference]: Without dead ends: 11826 [2022-11-02 20:47:18,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:47:18,075 INFO L413 NwaCegarLoop]: 3795 mSDtfsCounter, 4734 mSDsluCounter, 4032 mSDsCounter, 0 mSdLazyCounter, 6736 mSolverCounterSat, 4184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5100 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 10920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4184 IncrementalHoareTripleChecker+Valid, 6736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:18,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5100 Valid, 7827 Invalid, 10920 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4184 Valid, 6736 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-02 20:47:18,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2022-11-02 20:47:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 10950. [2022-11-02 20:47:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10950 states, 7403 states have (on average 1.2933945697690126) internal successors, (9575), 7580 states have internal predecessors, (9575), 2906 states have call successors, (2906), 615 states have call predecessors, (2906), 640 states have return successors, (3019), 2894 states have call predecessors, (3019), 2905 states have call successors, (3019) [2022-11-02 20:47:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10950 states to 10950 states and 15500 transitions. [2022-11-02 20:47:18,891 INFO L78 Accepts]: Start accepts. Automaton has 10950 states and 15500 transitions. Word has length 206 [2022-11-02 20:47:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:18,892 INFO L495 AbstractCegarLoop]: Abstraction has 10950 states and 15500 transitions. [2022-11-02 20:47:18,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 20:47:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10950 states and 15500 transitions. [2022-11-02 20:47:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-02 20:47:18,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:18,913 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:18,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:47:18,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:18,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:18,914 INFO L85 PathProgramCache]: Analyzing trace with hash -39776023, now seen corresponding path program 1 times [2022-11-02 20:47:18,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:18,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769364242] [2022-11-02 20:47:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:18,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:47:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:47:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:47:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:47:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:47:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:47:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:47:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:47:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:47:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:47:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:47:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:47:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:47:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:47:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:47:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:47:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:47:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:47:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:47:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-02 20:47:19,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:19,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769364242] [2022-11-02 20:47:19,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769364242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:19,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:19,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:47:19,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107008824] [2022-11-02 20:47:19,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:19,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:47:19,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:19,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:47:19,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:47:19,665 INFO L87 Difference]: Start difference. First operand 10950 states and 15500 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 20:47:35,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:35,908 INFO L93 Difference]: Finished difference Result 31791 states and 45334 transitions. [2022-11-02 20:47:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:47:35,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 216 [2022-11-02 20:47:35,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:36,028 INFO L225 Difference]: With dead ends: 31791 [2022-11-02 20:47:36,028 INFO L226 Difference]: Without dead ends: 20877 [2022-11-02 20:47:36,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:47:36,073 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 6660 mSDsluCounter, 3061 mSDsCounter, 0 mSdLazyCounter, 5672 mSolverCounterSat, 5476 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7038 SdHoareTripleChecker+Valid, 5410 SdHoareTripleChecker+Invalid, 11148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5476 IncrementalHoareTripleChecker+Valid, 5672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:36,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7038 Valid, 5410 Invalid, 11148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5476 Valid, 5672 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2022-11-02 20:47:36,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20877 states. [2022-11-02 20:47:37,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20877 to 19345. [2022-11-02 20:47:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19345 states, 13097 states have (on average 1.294342215774605) internal successors, (16952), 13409 states have internal predecessors, (16952), 5115 states have call successors, (5115), 1088 states have call predecessors, (5115), 1132 states have return successors, (5321), 5094 states have call predecessors, (5321), 5114 states have call successors, (5321) [2022-11-02 20:47:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19345 states to 19345 states and 27388 transitions. [2022-11-02 20:47:37,493 INFO L78 Accepts]: Start accepts. Automaton has 19345 states and 27388 transitions. Word has length 216 [2022-11-02 20:47:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:37,495 INFO L495 AbstractCegarLoop]: Abstraction has 19345 states and 27388 transitions. [2022-11-02 20:47:37,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 20:47:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19345 states and 27388 transitions. [2022-11-02 20:47:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-02 20:47:37,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:37,524 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:37,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:47:37,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:37,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -492455745, now seen corresponding path program 1 times [2022-11-02 20:47:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:37,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676084049] [2022-11-02 20:47:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:47:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:47:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:47:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:47:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:47:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:47:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:47:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:47:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:47:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:47:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:47:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:47:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:47:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:47:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:47:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:47:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:47:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:47:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-02 20:47:38,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:38,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676084049] [2022-11-02 20:47:38,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676084049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:38,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:38,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:47:38,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018621648] [2022-11-02 20:47:38,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:38,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:47:38,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:38,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:47:38,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:47:38,158 INFO L87 Difference]: Start difference. First operand 19345 states and 27388 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 20:47:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:50,919 INFO L93 Difference]: Finished difference Result 40172 states and 57207 transitions. [2022-11-02 20:47:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:47:50,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2022-11-02 20:47:50,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:51,051 INFO L225 Difference]: With dead ends: 40172 [2022-11-02 20:47:51,052 INFO L226 Difference]: Without dead ends: 20871 [2022-11-02 20:47:51,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:47:51,121 INFO L413 NwaCegarLoop]: 2135 mSDtfsCounter, 2369 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 4221 mSolverCounterSat, 2250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 6471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2250 IncrementalHoareTripleChecker+Valid, 4221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:51,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 5095 Invalid, 6471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2250 Valid, 4221 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-11-02 20:47:51,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20871 states. [2022-11-02 20:47:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20871 to 19332. [2022-11-02 20:47:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19332 states, 13084 states have (on average 1.294328951391012) internal successors, (16935), 13398 states have internal predecessors, (16935), 5115 states have call successors, (5115), 1088 states have call predecessors, (5115), 1132 states have return successors, (5321), 5092 states have call predecessors, (5321), 5114 states have call successors, (5321) [2022-11-02 20:47:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19332 states to 19332 states and 27371 transitions. [2022-11-02 20:47:52,593 INFO L78 Accepts]: Start accepts. Automaton has 19332 states and 27371 transitions. Word has length 227 [2022-11-02 20:47:52,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:52,594 INFO L495 AbstractCegarLoop]: Abstraction has 19332 states and 27371 transitions. [2022-11-02 20:47:52,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 20:47:52,594 INFO L276 IsEmpty]: Start isEmpty. Operand 19332 states and 27371 transitions. [2022-11-02 20:47:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-02 20:47:52,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:52,660 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:52,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:47:52,660 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1041847159, now seen corresponding path program 1 times [2022-11-02 20:47:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:52,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514032260] [2022-11-02 20:47:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:47:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:47:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:47:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:47:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:47:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:47:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:47:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:47:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:47:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:47:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:47:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:47:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:47:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:47:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:47:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:47:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:47:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:47:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:47:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:47:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-02 20:47:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:47:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:47:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:47:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 20:47:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:47:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-02 20:47:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-02 20:47:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2022-11-02 20:47:55,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:55,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514032260] [2022-11-02 20:47:55,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514032260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:55,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:55,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:47:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068068164] [2022-11-02 20:47:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:55,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:47:55,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:55,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:47:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:47:55,665 INFO L87 Difference]: Start difference. First operand 19332 states and 27371 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-02 20:48:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:14,741 INFO L93 Difference]: Finished difference Result 35738 states and 51021 transitions. [2022-11-02 20:48:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:48:14,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 287 [2022-11-02 20:48:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:14,844 INFO L225 Difference]: With dead ends: 35738 [2022-11-02 20:48:14,845 INFO L226 Difference]: Without dead ends: 16454 [2022-11-02 20:48:14,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:48:14,921 INFO L413 NwaCegarLoop]: 1842 mSDtfsCounter, 1974 mSDsluCounter, 4961 mSDsCounter, 0 mSdLazyCounter, 8298 mSolverCounterSat, 1859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 6803 SdHoareTripleChecker+Invalid, 10157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1859 IncrementalHoareTripleChecker+Valid, 8298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:14,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 6803 Invalid, 10157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1859 Valid, 8298 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2022-11-02 20:48:14,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2022-11-02 20:48:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15208. [2022-11-02 20:48:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15208 states, 10343 states have (on average 1.2888910374166103) internal successors, (13331), 10573 states have internal predecessors, (13331), 3938 states have call successors, (3938), 907 states have call predecessors, (3938), 926 states have return successors, (4088), 3915 states have call predecessors, (4088), 3937 states have call successors, (4088) [2022-11-02 20:48:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15208 states to 15208 states and 21357 transitions. [2022-11-02 20:48:16,199 INFO L78 Accepts]: Start accepts. Automaton has 15208 states and 21357 transitions. Word has length 287 [2022-11-02 20:48:16,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:16,200 INFO L495 AbstractCegarLoop]: Abstraction has 15208 states and 21357 transitions. [2022-11-02 20:48:16,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-02 20:48:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 15208 states and 21357 transitions. [2022-11-02 20:48:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-02 20:48:16,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:16,309 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 8, 8, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:16,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:48:16,310 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:16,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1431704008, now seen corresponding path program 1 times [2022-11-02 20:48:16,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:16,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417556785] [2022-11-02 20:48:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:48:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:48:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:48:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:48:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:48:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:48:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:48:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:48:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:48:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:48:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:48:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:48:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:48:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:48:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:48:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:48:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:48:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:48:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:48:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:48:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:48:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:48:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-02 20:48:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:48:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 20:48:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-02 20:48:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 20:48:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:48:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 20:48:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:48:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-02 20:48:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-02 20:48:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-02 20:48:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-02 20:48:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-02 20:48:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:48:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-02 20:48:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-02 20:48:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-02 20:48:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-02 20:48:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-02 20:48:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-02 20:48:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:48:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:48:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:48:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-02 20:48:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-02 20:48:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-02 20:48:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-11-02 20:48:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-02 20:48:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-11-02 20:48:18,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:18,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417556785] [2022-11-02 20:48:18,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417556785] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:48:18,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265070670] [2022-11-02 20:48:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:18,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:48:18,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:18,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:48:18,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:48:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:19,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 6216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:48:19,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2022-11-02 20:48:20,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:20,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265070670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:20,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:48:20,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-02 20:48:20,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119678839] [2022-11-02 20:48:20,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:20,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:48:20,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:20,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:20,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:48:20,252 INFO L87 Difference]: Start difference. First operand 15208 states and 21357 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-02 20:48:21,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:21,364 INFO L93 Difference]: Finished difference Result 39079 states and 54825 transitions. [2022-11-02 20:48:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:21,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 455 [2022-11-02 20:48:21,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:21,493 INFO L225 Difference]: With dead ends: 39079 [2022-11-02 20:48:21,493 INFO L226 Difference]: Without dead ends: 23919 [2022-11-02 20:48:21,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:48:21,555 INFO L413 NwaCegarLoop]: 2752 mSDtfsCounter, 2095 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 4838 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:21,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 4838 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:48:21,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23919 states. [2022-11-02 20:48:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23919 to 23912. [2022-11-02 20:48:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23912 states, 16249 states have (on average 1.2872792171825957) internal successors, (20917), 16605 states have internal predecessors, (20917), 6186 states have call successors, (6186), 1445 states have call predecessors, (6186), 1476 states have return successors, (6402), 6155 states have call predecessors, (6402), 6185 states have call successors, (6402) [2022-11-02 20:48:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23912 states to 23912 states and 33505 transitions. [2022-11-02 20:48:23,153 INFO L78 Accepts]: Start accepts. Automaton has 23912 states and 33505 transitions. Word has length 455 [2022-11-02 20:48:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:23,154 INFO L495 AbstractCegarLoop]: Abstraction has 23912 states and 33505 transitions. [2022-11-02 20:48:23,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-02 20:48:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 23912 states and 33505 transitions. [2022-11-02 20:48:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2022-11-02 20:48:23,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:23,233 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:23,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:23,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:48:23,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:23,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:23,450 INFO L85 PathProgramCache]: Analyzing trace with hash 48790471, now seen corresponding path program 1 times [2022-11-02 20:48:23,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:23,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085165530] [2022-11-02 20:48:23,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:23,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:48:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:48:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:48:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:48:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:48:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:48:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:48:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:48:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:48:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:48:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:48:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:48:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:48:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:48:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:48:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:48:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:48:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:48:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:48:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:48:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:48:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:48:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:48:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:48:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-02 20:48:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:48:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:48:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:48:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:48:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:48:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:48:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:48:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:48:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-02 20:48:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-02 20:48:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:48:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 20:48:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-02 20:48:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-02 20:48:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-02 20:48:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-02 20:48:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-02 20:48:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-02 20:48:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:48:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:48:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:48:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-02 20:48:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-02 20:48:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-02 20:48:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-02 20:48:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-11-02 20:48:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2022-11-02 20:48:25,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:25,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085165530] [2022-11-02 20:48:25,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085165530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:25,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:25,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:48:25,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68566835] [2022-11-02 20:48:25,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:25,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:48:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:48:25,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:48:25,074 INFO L87 Difference]: Start difference. First operand 23912 states and 33505 transitions. Second operand has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-02 20:48:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:36,456 INFO L93 Difference]: Finished difference Result 50011 states and 71008 transitions. [2022-11-02 20:48:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:48:36,457 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 460 [2022-11-02 20:48:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:36,585 INFO L225 Difference]: With dead ends: 50011 [2022-11-02 20:48:36,586 INFO L226 Difference]: Without dead ends: 26147 [2022-11-02 20:48:36,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:48:36,702 INFO L413 NwaCegarLoop]: 1826 mSDtfsCounter, 1666 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 4060 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 5333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1273 IncrementalHoareTripleChecker+Valid, 4060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:36,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 4492 Invalid, 5333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1273 Valid, 4060 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-02 20:48:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26147 states. [2022-11-02 20:48:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26147 to 23932. [2022-11-02 20:48:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23932 states, 16269 states have (on average 1.2869260556887332) internal successors, (20937), 16625 states have internal predecessors, (20937), 6186 states have call successors, (6186), 1445 states have call predecessors, (6186), 1476 states have return successors, (6402), 6155 states have call predecessors, (6402), 6185 states have call successors, (6402) [2022-11-02 20:48:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23932 states to 23932 states and 33525 transitions. [2022-11-02 20:48:38,468 INFO L78 Accepts]: Start accepts. Automaton has 23932 states and 33525 transitions. Word has length 460 [2022-11-02 20:48:38,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:38,474 INFO L495 AbstractCegarLoop]: Abstraction has 23932 states and 33525 transitions. [2022-11-02 20:48:38,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-02 20:48:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 23932 states and 33525 transitions. [2022-11-02 20:48:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-11-02 20:48:38,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:38,556 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:38,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:48:38,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:38,558 INFO L85 PathProgramCache]: Analyzing trace with hash -968726251, now seen corresponding path program 1 times [2022-11-02 20:48:38,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:38,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423495924] [2022-11-02 20:48:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:48:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:48:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:48:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:48:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:48:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:48:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:48:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:48:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:48:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:48:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:48:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:48:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:48:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:48:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:48:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:48:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:48:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:48:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:48:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:48:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:48:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:48:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:48:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:48:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-02 20:48:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:48:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:48:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:48:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:48:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:48:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:48:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:48:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:48:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-02 20:48:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-02 20:48:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:48:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 20:48:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-02 20:48:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-02 20:48:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-02 20:48:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-02 20:48:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-02 20:48:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-02 20:48:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:48:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:48:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:48:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-02 20:48:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-02 20:48:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-11-02 20:48:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-11-02 20:48:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-02 20:48:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2022-11-02 20:48:39,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:39,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423495924] [2022-11-02 20:48:39,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423495924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:39,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:39,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:48:39,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916371282] [2022-11-02 20:48:39,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:39,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:48:39,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:39,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:48:39,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:48:39,828 INFO L87 Difference]: Start difference. First operand 23932 states and 33525 transitions. Second operand has 10 states, 10 states have (on average 19.8) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-02 20:48:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:52,135 INFO L93 Difference]: Finished difference Result 50571 states and 71788 transitions. [2022-11-02 20:48:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:48:52,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 461 [2022-11-02 20:48:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:52,275 INFO L225 Difference]: With dead ends: 50571 [2022-11-02 20:48:52,275 INFO L226 Difference]: Without dead ends: 26687 [2022-11-02 20:48:52,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:48:52,364 INFO L413 NwaCegarLoop]: 1840 mSDtfsCounter, 2042 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 5332 mSolverCounterSat, 1838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 5386 SdHoareTripleChecker+Invalid, 7170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1838 IncrementalHoareTripleChecker+Valid, 5332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:52,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 5386 Invalid, 7170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1838 Valid, 5332 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-02 20:48:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26687 states. [2022-11-02 20:48:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26687 to 24032. [2022-11-02 20:48:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24032 states, 16349 states have (on average 1.2867453666890942) internal successors, (21037), 16705 states have internal predecessors, (21037), 6206 states have call successors, (6206), 1445 states have call predecessors, (6206), 1476 states have return successors, (6422), 6175 states have call predecessors, (6422), 6205 states have call successors, (6422) [2022-11-02 20:48:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24032 states to 24032 states and 33665 transitions. [2022-11-02 20:48:53,861 INFO L78 Accepts]: Start accepts. Automaton has 24032 states and 33665 transitions. Word has length 461 [2022-11-02 20:48:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:53,862 INFO L495 AbstractCegarLoop]: Abstraction has 24032 states and 33665 transitions. [2022-11-02 20:48:53,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-02 20:48:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24032 states and 33665 transitions. [2022-11-02 20:48:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2022-11-02 20:48:53,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:53,948 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:53,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:48:53,948 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:53,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1951427953, now seen corresponding path program 1 times [2022-11-02 20:48:53,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:53,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197074994] [2022-11-02 20:48:53,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:53,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:48:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:48:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:48:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:48:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:48:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:48:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:48:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:48:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:48:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:48:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:48:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:48:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:48:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:48:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:48:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:48:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:48:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:48:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:48:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:48:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:48:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:48:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:48:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:48:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-02 20:48:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:48:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:48:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:48:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:48:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:48:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:48:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:48:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:48:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-02 20:48:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-02 20:48:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:48:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 20:48:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:48:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:48:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:48:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-02 20:48:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-02 20:48:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-02 20:48:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-02 20:48:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-02 20:48:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-02 20:48:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:48:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:48:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:48:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-02 20:48:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-02 20:48:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-11-02 20:48:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-02 20:48:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-02 20:48:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2022-11-02 20:48:55,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:55,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197074994] [2022-11-02 20:48:55,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197074994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:55,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:55,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:48:55,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155809642] [2022-11-02 20:48:55,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:55,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:48:55,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:55,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:48:55,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:48:55,996 INFO L87 Difference]: Start difference. First operand 24032 states and 33665 transitions. Second operand has 10 states, 10 states have (on average 20.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-02 20:49:10,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:10,113 INFO L93 Difference]: Finished difference Result 50511 states and 71688 transitions. [2022-11-02 20:49:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:49:10,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 467 [2022-11-02 20:49:10,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:10,199 INFO L225 Difference]: With dead ends: 50511 [2022-11-02 20:49:10,199 INFO L226 Difference]: Without dead ends: 26527 [2022-11-02 20:49:10,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:49:10,254 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 2392 mSDsluCounter, 4009 mSDsCounter, 0 mSdLazyCounter, 6056 mSolverCounterSat, 2406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 5825 SdHoareTripleChecker+Invalid, 8462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2406 IncrementalHoareTripleChecker+Valid, 6056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:10,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 5825 Invalid, 8462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2406 Valid, 6056 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-11-02 20:49:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26527 states. [2022-11-02 20:49:12,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26527 to 24112. [2022-11-02 20:49:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24112 states, 16409 states have (on average 1.2856968736668901) internal successors, (21097), 16765 states have internal predecessors, (21097), 6226 states have call successors, (6226), 1445 states have call predecessors, (6226), 1476 states have return successors, (6442), 6195 states have call predecessors, (6442), 6225 states have call successors, (6442) [2022-11-02 20:49:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24112 states to 24112 states and 33765 transitions. [2022-11-02 20:49:12,113 INFO L78 Accepts]: Start accepts. Automaton has 24112 states and 33765 transitions. Word has length 467 [2022-11-02 20:49:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:12,114 INFO L495 AbstractCegarLoop]: Abstraction has 24112 states and 33765 transitions. [2022-11-02 20:49:12,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (69), 8 states have call predecessors, (69), 2 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-02 20:49:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 24112 states and 33765 transitions. [2022-11-02 20:49:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-11-02 20:49:12,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:12,189 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 9, 9, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:12,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:49:12,190 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1031770074, now seen corresponding path program 1 times [2022-11-02 20:49:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:12,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408257433] [2022-11-02 20:49:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:49:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:49:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:49:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:49:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:49:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:49:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:49:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:49:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:49:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:49:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:49:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:49:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:49:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:49:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:49:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:49:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:49:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:49:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:49:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:49:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:49:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:49:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:49:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:49:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:49:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:49:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-02 20:49:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:49:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:49:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:49:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:49:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:49:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:49:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:49:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:49:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-02 20:49:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-02 20:49:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:49:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 20:49:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:49:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:49:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:49:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-02 20:49:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:49:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-02 20:49:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-02 20:49:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-02 20:49:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-02 20:49:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:49:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:49:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:49:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-02 20:49:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-02 20:49:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-02 20:49:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-11-02 20:49:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-11-02 20:49:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2022-11-02 20:49:14,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:14,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408257433] [2022-11-02 20:49:14,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408257433] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:49:14,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084574774] [2022-11-02 20:49:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:14,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:49:14,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:49:14,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:49:14,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f33a142-f9ba-4d72-a4e4-51bc919abfab/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:49:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:15,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 6312 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:49:15,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-11-02 20:49:15,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:49:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-02 20:49:16,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084574774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:49:16,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:49:16,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2022-11-02 20:49:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347555677] [2022-11-02 20:49:16,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:49:16,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 20:49:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:16,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:49:16,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:49:16,281 INFO L87 Difference]: Start difference. First operand 24112 states and 33765 transitions. Second operand has 14 states, 14 states have (on average 17.214285714285715) internal successors, (241), 8 states have internal predecessors, (241), 6 states have call successors, (119), 8 states have call predecessors, (119), 2 states have return successors, (82), 6 states have call predecessors, (82), 6 states have call successors, (82)