./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8 --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 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- 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-e04fb08 [2022-11-16 11:26:44,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:26:44,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:26:44,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:26:44,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:26:44,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:26:44,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:26:44,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:26:44,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:26:44,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:26:44,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:26:44,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:26:44,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:26:44,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:26:44,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:26:44,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:26:44,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:26:44,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:26:44,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:26:44,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:26:44,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:26:44,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:26:44,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:26:44,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:26:44,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:26:44,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:26:44,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:26:44,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:26:44,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:26:44,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:26:44,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:26:44,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:26:44,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:26:44,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:26:44,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:26:44,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:26:44,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:26:44,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:26:44,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:26:44,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:26:44,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:26:44,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:26:44,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:26:44,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:26:44,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:26:44,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:26:44,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:26:44,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:26:44,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:26:44,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:26:44,420 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:26:44,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:26:44,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:26:44,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:26:44,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:26:44,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:26:44,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:26:44,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:26:44,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:26:44,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:26:44,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:26:44,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:26:44,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:26:44,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:26:44,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:26:44,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:26:44,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:26:44,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:26:44,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:26:44,427 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:26:44,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:26:44,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:26:44,428 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_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-11-16 11:26:44,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:26:44,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:26:44,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:26:44,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:26:44,789 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:26:44,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-16 11:26:44,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/data/447b28fab/5f1a3a7caf0a441db5ffaf8bc5661c16/FLAG1c4f5f9f6 [2022-11-16 11:26:45,851 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:26:45,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-16 11:26:45,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/data/447b28fab/5f1a3a7caf0a441db5ffaf8bc5661c16/FLAG1c4f5f9f6 [2022-11-16 11:26:46,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/data/447b28fab/5f1a3a7caf0a441db5ffaf8bc5661c16 [2022-11-16 11:26:46,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:26:46,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:26:46,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:46,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:26:46,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:26:46,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:46" (1/1) ... [2022-11-16 11:26:46,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46652a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:46, skipping insertion in model container [2022-11-16 11:26:46,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:46" (1/1) ... [2022-11-16 11:26:46,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:26:46,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:26:50,709 WARN L229 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_299ee87c-0303-4b56-8401-af5ae186666f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-16 11:26:51,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:51,116 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:26:51,905 WARN L229 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_299ee87c-0303-4b56-8401-af5ae186666f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-16 11:26:51,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:52,248 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:26:52,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52 WrapperNode [2022-11-16 11:26:52,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:52,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:52,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:26:52,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:26:52,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,634 INFO L138 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 5983 [2022-11-16 11:26:52,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:52,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:26:52,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:26:52,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:26:52,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:26:52,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:26:52,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:26:52,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:26:52,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (1/1) ... [2022-11-16 11:26:52,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:26:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:53,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:53,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_299ee87c-0303-4b56-8401-af5ae186666f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:26:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-11-16 11:26:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-11-16 11:26:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:26:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:26:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-16 11:26:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-16 11:26:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-11-16 11:26:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-11-16 11:26:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-11-16 11:26:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-11-16 11:26:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:26:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:26:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 11:26:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 11:26:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 11:26:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 11:26:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-11-16 11:26:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-11-16 11:26:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:26:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:26:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-11-16 11:26:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-11-16 11:26:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-11-16 11:26:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-11-16 11:26:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-11-16 11:26:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-11-16 11:26:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-16 11:26:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-16 11:26:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-16 11:26:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-16 11:26:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-16 11:26:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-16 11:26:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-11-16 11:26:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-11-16 11:26:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-16 11:26:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-16 11:26:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-11-16 11:26:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-11-16 11:26:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 11:26:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 11:26:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-16 11:26:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-16 11:26:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 11:26:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 11:26:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-11-16 11:26:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-11-16 11:26:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-11-16 11:26:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-11-16 11:26:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-11-16 11:26:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-11-16 11:26:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:26:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:26:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-11-16 11:26:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-11-16 11:26:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-11-16 11:26:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-11-16 11:26:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-11-16 11:26:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-11-16 11:26:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-16 11:26:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-16 11:26:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-16 11:26:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-16 11:26:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-11-16 11:26:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-11-16 11:26:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 11:26:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 11:26:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 11:26:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 11:26:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 11:26:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 11:26:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:26:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:26:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-11-16 11:26:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-11-16 11:26:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:26:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:26:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-11-16 11:26:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-11-16 11:26:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:26:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-11-16 11:26:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-11-16 11:26:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-16 11:26:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-16 11:26:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-11-16 11:26:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-11-16 11:26:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:26:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:26:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-11-16 11:26:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-11-16 11:26:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 11:26:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 11:26:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:26:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:26:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-11-16 11:26:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-11-16 11:26:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:26:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-11-16 11:26:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-11-16 11:26:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:26:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:26:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:26:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-16 11:26:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-16 11:26:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:26:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:26:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:26:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-11-16 11:26:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-11-16 11:26:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-16 11:26:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-16 11:26:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-16 11:26:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-16 11:26:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:26:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:26:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-11-16 11:26:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-11-16 11:26:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:26:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:26:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-11-16 11:26:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-11-16 11:26:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-11-16 11:26:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-11-16 11:26:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-16 11:26:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-16 11:26:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-16 11:26:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-16 11:26:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-11-16 11:26:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-11-16 11:26:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 11:26:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 11:26:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-11-16 11:26:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-11-16 11:26:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-11-16 11:26:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-11-16 11:26:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-16 11:26:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-16 11:26:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-11-16 11:26:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-11-16 11:26:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-11-16 11:26:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-11-16 11:26:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:26:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-11-16 11:26:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-11-16 11:26:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-16 11:26:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-16 11:26:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-11-16 11:26:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-11-16 11:26:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:26:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 11:26:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 11:26:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-11-16 11:26:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-11-16 11:26:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:26:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:26:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:26:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:26:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:26:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-11-16 11:26:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-11-16 11:26:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:26:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:26:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-11-16 11:26:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-11-16 11:26:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 11:26:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 11:26:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-16 11:26:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-16 11:26:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:26:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:26:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-11-16 11:26:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-11-16 11:26:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-11-16 11:26:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-11-16 11:26:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-16 11:26:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-16 11:26:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-11-16 11:26:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-11-16 11:26:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-11-16 11:26:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-11-16 11:26:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-16 11:26:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-16 11:26:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-11-16 11:26:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-11-16 11:26:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:26:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:26:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-11-16 11:26:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-11-16 11:26:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:26:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:26:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:26:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:26:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:26:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:26:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:26:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:26:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 11:26:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 11:26:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:26:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:26:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:26:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:26:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 11:26:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 11:26:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-16 11:26:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-16 11:26:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-16 11:26:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-16 11:26:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 11:26:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 11:26:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-11-16 11:26:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-11-16 11:26:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-11-16 11:26:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-11-16 11:26:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-16 11:26:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-16 11:26:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-16 11:26:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-16 11:26:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:26:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:26:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-11-16 11:26:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-11-16 11:26:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:26:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:26:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:26:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:26:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-16 11:26:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-16 11:26:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:26:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:26:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:26:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:26:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 11:26:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 11:26:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 11:26:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 11:26:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-11-16 11:26:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-11-16 11:26:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-11-16 11:26:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-11-16 11:26:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-11-16 11:26:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-11-16 11:26:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 11:26:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 11:26:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:26:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-11-16 11:26:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-11-16 11:26:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:26:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:26:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-11-16 11:26:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-11-16 11:26:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 11:26:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 11:26:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:26:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-11-16 11:26:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-11-16 11:26:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-11-16 11:26:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-11-16 11:26:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-16 11:26:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-16 11:26:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:26:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-11-16 11:26:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-11-16 11:26:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-11-16 11:26:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-11-16 11:26:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:26:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:26:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 11:26:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 11:26:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-11-16 11:26:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-11-16 11:26:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:26:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:26:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-11-16 11:26:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-11-16 11:26:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-11-16 11:26:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-11-16 11:26:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-11-16 11:26:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-11-16 11:26:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-11-16 11:26:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-11-16 11:26:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-11-16 11:26:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-11-16 11:26:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:26:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:26:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-16 11:26:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-16 11:26:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 11:26:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 11:26:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-11-16 11:26:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-11-16 11:26:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 11:26:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 11:26:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-11-16 11:26:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-11-16 11:26:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-11-16 11:26:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-11-16 11:26:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:26:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:26:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-16 11:26:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-16 11:26:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-11-16 11:26:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-11-16 11:26:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:26:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:26:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:26:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:26:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-11-16 11:26:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-11-16 11:26:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-11-16 11:26:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-11-16 11:26:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:26:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-16 11:26:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-16 11:26:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-16 11:26:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-16 11:26:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:26:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:26:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-11-16 11:26:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-11-16 11:26:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-11-16 11:26:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-11-16 11:26:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-11-16 11:26:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-11-16 11:26:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-11-16 11:26:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-11-16 11:26:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 11:26:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 11:26:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-11-16 11:26:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-11-16 11:26:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-11-16 11:26:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-11-16 11:26:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-11-16 11:26:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-11-16 11:26:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-11-16 11:26:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-11-16 11:26:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-16 11:26:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-16 11:26:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-16 11:26:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-16 11:26:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-11-16 11:26:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-11-16 11:26:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-11-16 11:26:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-11-16 11:26:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-11-16 11:26:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-11-16 11:26:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-11-16 11:26:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-11-16 11:26:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:26:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:26:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:26:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:26:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-16 11:26:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-16 11:26:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:26:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-16 11:26:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-16 11:26:54,250 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:26:54,261 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:26:54,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:28:55,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:28:55,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:28:55,344 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:28:55,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:55 BoogieIcfgContainer [2022-11-16 11:28:55,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:28:55,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:28:55,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:28:55,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:28:55,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:26:46" (1/3) ... [2022-11-16 11:28:55,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ed2bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:55, skipping insertion in model container [2022-11-16 11:28:55,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:52" (2/3) ... [2022-11-16 11:28:55,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ed2bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:55, skipping insertion in model container [2022-11-16 11:28:55,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:55" (3/3) ... [2022-11-16 11:28:55,368 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-16 11:28:55,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:28:55,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:28:55,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:28:55,539 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;@3f99308c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:28:55,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:28:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 3073 states, 1990 states have (on average 1.3914572864321608) internal successors, (2769), 2056 states have internal predecessors, (2769), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-11-16 11:28:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-16 11:28:55,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:28:55,584 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:55,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:28:55,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:55,591 INFO L85 PathProgramCache]: Analyzing trace with hash 316524926, now seen corresponding path program 1 times [2022-11-16 11:28:55,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:55,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902964280] [2022-11-16 11:28:55,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:28:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:28:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:28:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:28:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:28:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:28:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:28:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:28:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:28:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:28:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:28:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:28:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:28:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:28:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:28:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:28:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:28:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-16 11:28:58,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:58,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902964280] [2022-11-16 11:28:58,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902964280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:58,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:58,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:58,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287052646] [2022-11-16 11:28:58,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:58,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:28:58,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:58,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:28:58,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:28:58,209 INFO L87 Difference]: Start difference. First operand has 3073 states, 1990 states have (on average 1.3914572864321608) internal successors, (2769), 2056 states have internal predecessors, (2769), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:29:00,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:06,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:18,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:18,261 INFO L93 Difference]: Finished difference Result 6779 states and 10906 transitions. [2022-11-16 11:29:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:29:18,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-11-16 11:29:18,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:18,323 INFO L225 Difference]: With dead ends: 6779 [2022-11-16 11:29:18,325 INFO L226 Difference]: Without dead ends: 3697 [2022-11-16 11:29:18,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:29:18,374 INFO L413 NwaCegarLoop]: 3883 mSDtfsCounter, 3942 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 3928 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4010 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 5928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3928 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:18,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4010 Valid, 6197 Invalid, 5928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3928 Valid, 1998 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2022-11-16 11:29:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3697 states. [2022-11-16 11:29:18,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 3059. [2022-11-16 11:29:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3059 states, 1984 states have (on average 1.3598790322580645) internal successors, (2698), 2042 states have internal predecessors, (2698), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-11-16 11:29:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 3059 states and 4503 transitions. [2022-11-16 11:29:18,673 INFO L78 Accepts]: Start accepts. Automaton has 3059 states and 4503 transitions. Word has length 250 [2022-11-16 11:29:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:18,674 INFO L495 AbstractCegarLoop]: Abstraction has 3059 states and 4503 transitions. [2022-11-16 11:29:18,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 11:29:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 4503 transitions. [2022-11-16 11:29:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-16 11:29:18,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:18,692 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:29:18,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:29:18,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash 139024912, now seen corresponding path program 1 times [2022-11-16 11:29:18,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:18,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998251114] [2022-11-16 11:29:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:29:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:29:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:29:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:29:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:29:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:29:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:29:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:29:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:29:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:29:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:29:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:29:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:29:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:29:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:29:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:29:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:29:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:29:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:29:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-16 11:29:20,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:20,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998251114] [2022-11-16 11:29:20,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998251114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:20,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:20,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:29:20,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133547473] [2022-11-16 11:29:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:20,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:29:20,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:29:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:29:20,544 INFO L87 Difference]: Start difference. First operand 3059 states and 4503 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 11:29:22,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:24,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:31,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:46,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:30:01,484 INFO L93 Difference]: Finished difference Result 10334 states and 15690 transitions. [2022-11-16 11:30:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:30:01,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-11-16 11:30:01,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:30:01,574 INFO L225 Difference]: With dead ends: 10334 [2022-11-16 11:30:01,575 INFO L226 Difference]: Without dead ends: 7318 [2022-11-16 11:30:01,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:30:01,605 INFO L413 NwaCegarLoop]: 4494 mSDtfsCounter, 11981 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 4502 mSolverCounterSat, 8518 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12420 SdHoareTripleChecker+Valid, 10586 SdHoareTripleChecker+Invalid, 13024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8518 IncrementalHoareTripleChecker+Valid, 4502 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:30:01,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12420 Valid, 10586 Invalid, 13024 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8518 Valid, 4502 Invalid, 4 Unknown, 0 Unchecked, 39.8s Time] [2022-11-16 11:30:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2022-11-16 11:30:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 6040. [2022-11-16 11:30:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6040 states, 3923 states have (on average 1.362222788682131) internal successors, (5344), 4033 states have internal predecessors, (5344), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-16 11:30:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6040 states to 6040 states and 8899 transitions. [2022-11-16 11:30:02,069 INFO L78 Accepts]: Start accepts. Automaton has 6040 states and 8899 transitions. Word has length 250 [2022-11-16 11:30:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:30:02,075 INFO L495 AbstractCegarLoop]: Abstraction has 6040 states and 8899 transitions. [2022-11-16 11:30:02,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-16 11:30:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6040 states and 8899 transitions. [2022-11-16 11:30:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-16 11:30:02,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:30:02,085 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:30:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:30:02,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:30:02,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:30:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1819873025, now seen corresponding path program 1 times [2022-11-16 11:30:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:30:02,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405885997] [2022-11-16 11:30:02,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:30:02,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:30:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:30:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:30:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:30:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:30:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:30:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:30:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:30:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:30:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:30:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:30:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:30:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:30:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:30:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:30:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:30:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:30:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:30:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:30:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-16 11:30:03,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:30:03,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405885997] [2022-11-16 11:30:03,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405885997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:30:03,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:30:03,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:30:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951140960] [2022-11-16 11:30:03,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:30:03,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:30:03,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:30:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:30:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:30:03,892 INFO L87 Difference]: Start difference. First operand 6040 states and 8899 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:30:05,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:15,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:30:39,812 INFO L93 Difference]: Finished difference Result 20418 states and 30974 transitions. [2022-11-16 11:30:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:30:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-11-16 11:30:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:30:39,966 INFO L225 Difference]: With dead ends: 20418 [2022-11-16 11:30:39,966 INFO L226 Difference]: Without dead ends: 14421 [2022-11-16 11:30:40,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:30:40,020 INFO L413 NwaCegarLoop]: 5730 mSDtfsCounter, 10934 mSDsluCounter, 6819 mSDsCounter, 0 mSdLazyCounter, 4658 mSolverCounterSat, 7330 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11365 SdHoareTripleChecker+Valid, 12549 SdHoareTripleChecker+Invalid, 11990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7330 IncrementalHoareTripleChecker+Valid, 4658 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:30:40,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11365 Valid, 12549 Invalid, 11990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7330 Valid, 4658 Invalid, 2 Unknown, 0 Unchecked, 34.7s Time] [2022-11-16 11:30:40,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14421 states. [2022-11-16 11:30:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14421 to 11861. [2022-11-16 11:30:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11861 states, 7710 states have (on average 1.3623865110246434) internal successors, (10504), 7918 states have internal predecessors, (10504), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-11-16 11:30:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 17459 transitions. [2022-11-16 11:30:40,902 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 17459 transitions. Word has length 257 [2022-11-16 11:30:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:30:40,904 INFO L495 AbstractCegarLoop]: Abstraction has 11861 states and 17459 transitions. [2022-11-16 11:30:40,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:30:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 17459 transitions. [2022-11-16 11:30:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-16 11:30:40,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:30:40,912 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:30:40,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:30:40,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:30:40,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:30:40,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2142708068, now seen corresponding path program 1 times [2022-11-16 11:30:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:30:40,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231817488] [2022-11-16 11:30:40,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:30:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:30:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:30:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:30:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:30:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:30:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:30:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:30:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:30:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:30:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:30:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:30:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:30:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:30:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:30:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:30:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:30:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:30:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:30:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 11:30:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-16 11:30:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-16 11:30:42,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:30:42,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231817488] [2022-11-16 11:30:42,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231817488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:30:42,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:30:42,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:30:42,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377455773] [2022-11-16 11:30:42,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:30:42,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:30:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:30:42,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:30:42,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:30:42,514 INFO L87 Difference]: Start difference. First operand 11861 states and 17459 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 11:30:44,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:46,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:49,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:56,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:58,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:14,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:16,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:31:39,872 INFO L93 Difference]: Finished difference Result 38308 states and 58106 transitions. [2022-11-16 11:31:39,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:31:39,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2022-11-16 11:31:39,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:31:40,126 INFO L225 Difference]: With dead ends: 38308 [2022-11-16 11:31:40,127 INFO L226 Difference]: Without dead ends: 26490 [2022-11-16 11:31:40,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:31:40,221 INFO L413 NwaCegarLoop]: 4712 mSDtfsCounter, 8074 mSDsluCounter, 10302 mSDsCounter, 0 mSdLazyCounter, 6805 mSolverCounterSat, 5222 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8471 SdHoareTripleChecker+Valid, 15014 SdHoareTripleChecker+Invalid, 12033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5222 IncrementalHoareTripleChecker+Valid, 6805 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:31:40,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8471 Valid, 15014 Invalid, 12033 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5222 Valid, 6805 Invalid, 6 Unknown, 0 Unchecked, 55.6s Time] [2022-11-16 11:31:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26490 states. [2022-11-16 11:31:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26490 to 21866. [2022-11-16 11:31:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21866 states, 14142 states have (on average 1.3624664121057841) internal successors, (19268), 14546 states have internal predecessors, (19268), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-11-16 11:31:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21866 states to 21866 states and 32149 transitions. [2022-11-16 11:31:41,943 INFO L78 Accepts]: Start accepts. Automaton has 21866 states and 32149 transitions. Word has length 264 [2022-11-16 11:31:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:31:41,943 INFO L495 AbstractCegarLoop]: Abstraction has 21866 states and 32149 transitions. [2022-11-16 11:31:41,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 11:31:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 21866 states and 32149 transitions. [2022-11-16 11:31:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-16 11:31:41,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:31:41,950 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:31:41,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:31:41,950 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:31:41,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:31:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2056466597, now seen corresponding path program 1 times [2022-11-16 11:31:41,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:31:41,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389775605] [2022-11-16 11:31:41,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:31:41,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:31:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:31:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:31:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:31:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:31:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:31:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:31:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:31:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:31:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:31:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:31:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:31:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:31:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:31:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:31:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:31:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:31:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:31:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:31:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:31:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 11:31:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-16 11:31:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 11:31:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:31:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-16 11:31:43,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:31:43,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389775605] [2022-11-16 11:31:43,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389775605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:31:43,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:31:43,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:31:43,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349522842] [2022-11-16 11:31:43,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:31:43,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:31:43,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:31:43,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:31:43,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:31:43,749 INFO L87 Difference]: Start difference. First operand 21866 states and 32149 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 11:31:45,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:48,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:10,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:21,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:32:32,720 INFO L93 Difference]: Finished difference Result 72159 states and 109678 transitions. [2022-11-16 11:32:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:32:32,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2022-11-16 11:32:32,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:32:33,690 INFO L225 Difference]: With dead ends: 72159 [2022-11-16 11:32:33,691 INFO L226 Difference]: Without dead ends: 50346 [2022-11-16 11:32:33,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:32:33,861 INFO L413 NwaCegarLoop]: 4756 mSDtfsCounter, 9437 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 5761 mSolverCounterSat, 5765 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9825 SdHoareTripleChecker+Valid, 12798 SdHoareTripleChecker+Invalid, 11529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5765 IncrementalHoareTripleChecker+Valid, 5761 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:32:33,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9825 Valid, 12798 Invalid, 11529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5765 Valid, 5761 Invalid, 3 Unknown, 0 Unchecked, 45.9s Time] [2022-11-16 11:32:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50346 states. [2022-11-16 11:32:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50346 to 43264. [2022-11-16 11:32:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43264 states, 27971 states have (on average 1.3566908583890458) internal successors, (37948), 28749 states have internal predecessors, (37948), 12593 states have call successors, (12593), 2476 states have call predecessors, (12593), 2699 states have return successors, (14424), 12582 states have call predecessors, (14424), 12586 states have call successors, (14424) [2022-11-16 11:32:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43264 states to 43264 states and 64965 transitions. [2022-11-16 11:32:37,335 INFO L78 Accepts]: Start accepts. Automaton has 43264 states and 64965 transitions. Word has length 273 [2022-11-16 11:32:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:32:37,337 INFO L495 AbstractCegarLoop]: Abstraction has 43264 states and 64965 transitions. [2022-11-16 11:32:37,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 11:32:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 43264 states and 64965 transitions. [2022-11-16 11:32:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-16 11:32:37,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:37,342 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:32:37,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:32:37,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:37,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:37,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1486715742, now seen corresponding path program 1 times [2022-11-16 11:32:37,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:37,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572048667] [2022-11-16 11:32:37,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:37,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:32:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:32:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:32:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:32:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:32:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:32:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:32:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:32:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:32:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:32:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:32:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:32:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:32:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:32:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:32:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:32:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:32:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:32:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-16 11:32:39,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:32:39,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572048667] [2022-11-16 11:32:39,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572048667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:32:39,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:32:39,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:32:39,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197243232] [2022-11-16 11:32:39,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:32:39,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:32:39,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:32:39,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:32:39,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:32:39,201 INFO L87 Difference]: Start difference. First operand 43264 states and 64965 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:32:41,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:43,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:09,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:11,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:17,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:29,805 INFO L93 Difference]: Finished difference Result 138550 states and 215351 transitions. [2022-11-16 11:33:29,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:33:29,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 270 [2022-11-16 11:33:29,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:30,891 INFO L225 Difference]: With dead ends: 138550 [2022-11-16 11:33:30,891 INFO L226 Difference]: Without dead ends: 95339 [2022-11-16 11:33:31,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:33:31,267 INFO L413 NwaCegarLoop]: 5192 mSDtfsCounter, 7880 mSDsluCounter, 8977 mSDsCounter, 0 mSdLazyCounter, 5662 mSolverCounterSat, 4925 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8234 SdHoareTripleChecker+Valid, 14169 SdHoareTripleChecker+Invalid, 10591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4925 IncrementalHoareTripleChecker+Valid, 5662 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:31,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8234 Valid, 14169 Invalid, 10591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4925 Valid, 5662 Invalid, 4 Unknown, 0 Unchecked, 44.8s Time] [2022-11-16 11:33:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95339 states. [2022-11-16 11:33:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95339 to 81170. [2022-11-16 11:33:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81170 states, 52624 states have (on average 1.3612040133779264) internal successors, (71632), 54264 states have internal predecessors, (71632), 23393 states have call successors, (23393), 4830 states have call predecessors, (23393), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-16 11:33:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81170 states to 81170 states and 122228 transitions. [2022-11-16 11:33:37,657 INFO L78 Accepts]: Start accepts. Automaton has 81170 states and 122228 transitions. Word has length 270 [2022-11-16 11:33:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:37,658 INFO L495 AbstractCegarLoop]: Abstraction has 81170 states and 122228 transitions. [2022-11-16 11:33:37,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:33:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 81170 states and 122228 transitions. [2022-11-16 11:33:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-16 11:33:37,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:37,663 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:37,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:33:37,663 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:37,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1154752630, now seen corresponding path program 1 times [2022-11-16 11:33:37,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:37,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262499775] [2022-11-16 11:33:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:37,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:33:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:33:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:33:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:33:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:33:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:33:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:33:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:33:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:33:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:33:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:33:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:33:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:33:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:33:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:33:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:33:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-16 11:33:39,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:39,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262499775] [2022-11-16 11:33:39,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262499775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:39,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:39,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:33:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739096281] [2022-11-16 11:33:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:39,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:33:39,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:33:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:33:39,622 INFO L87 Difference]: Start difference. First operand 81170 states and 122228 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:33:41,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:55,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:04,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:34:04,213 INFO L93 Difference]: Finished difference Result 94761 states and 147924 transitions. [2022-11-16 11:34:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:34:04,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 271 [2022-11-16 11:34:04,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:34:05,144 INFO L225 Difference]: With dead ends: 94761 [2022-11-16 11:34:05,144 INFO L226 Difference]: Without dead ends: 94758 [2022-11-16 11:34:05,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:34:05,211 INFO L413 NwaCegarLoop]: 3743 mSDtfsCounter, 8137 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 4723 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 6047 SdHoareTripleChecker+Invalid, 6807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4723 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:34:05,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8517 Valid, 6047 Invalid, 6807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4723 Valid, 2082 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-11-16 11:34:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94758 states. [2022-11-16 11:34:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94758 to 81169. [2022-11-16 11:34:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81169 states, 52624 states have (on average 1.3611850106415324) internal successors, (71631), 54263 states have internal predecessors, (71631), 23392 states have call successors, (23392), 4830 states have call predecessors, (23392), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-16 11:34:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81169 states to 81169 states and 122226 transitions. [2022-11-16 11:34:11,976 INFO L78 Accepts]: Start accepts. Automaton has 81169 states and 122226 transitions. Word has length 271 [2022-11-16 11:34:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:34:11,977 INFO L495 AbstractCegarLoop]: Abstraction has 81169 states and 122226 transitions. [2022-11-16 11:34:11,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:34:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 81169 states and 122226 transitions. [2022-11-16 11:34:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-16 11:34:11,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:34:11,982 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:34:11,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:34:11,983 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:34:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:34:11,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1435898405, now seen corresponding path program 1 times [2022-11-16 11:34:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:34:11,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404394991] [2022-11-16 11:34:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:34:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:34:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:34:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:34:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:34:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:34:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:34:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:34:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:34:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:34:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:34:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:34:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:34:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:34:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:34:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:34:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:34:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:34:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:34:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:34:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:13,816 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-16 11:34:13,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:34:13,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404394991] [2022-11-16 11:34:13,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404394991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:34:13,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:34:13,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:34:13,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5075510] [2022-11-16 11:34:13,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:34:13,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:34:13,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:34:13,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:34:13,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:34:13,820 INFO L87 Difference]: Start difference. First operand 81169 states and 122226 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:34:15,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:30,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:39,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:34:39,858 INFO L93 Difference]: Finished difference Result 94760 states and 147922 transitions. [2022-11-16 11:34:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:34:39,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 272 [2022-11-16 11:34:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:34:40,694 INFO L225 Difference]: With dead ends: 94760 [2022-11-16 11:34:40,695 INFO L226 Difference]: Without dead ends: 94757 [2022-11-16 11:34:40,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:34:40,755 INFO L413 NwaCegarLoop]: 3719 mSDtfsCounter, 8149 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 4702 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8535 SdHoareTripleChecker+Valid, 6015 SdHoareTripleChecker+Invalid, 6790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4702 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:34:40,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8535 Valid, 6015 Invalid, 6790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4702 Valid, 2086 Invalid, 2 Unknown, 0 Unchecked, 20.2s Time] [2022-11-16 11:34:40,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94757 states. [2022-11-16 11:34:45,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94757 to 81168. [2022-11-16 11:34:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81168 states, 52624 states have (on average 1.3611660079051384) internal successors, (71630), 54262 states have internal predecessors, (71630), 23391 states have call successors, (23391), 4830 states have call predecessors, (23391), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-16 11:34:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81168 states to 81168 states and 122224 transitions. [2022-11-16 11:34:47,017 INFO L78 Accepts]: Start accepts. Automaton has 81168 states and 122224 transitions. Word has length 272 [2022-11-16 11:34:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:34:47,018 INFO L495 AbstractCegarLoop]: Abstraction has 81168 states and 122224 transitions. [2022-11-16 11:34:47,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:34:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 81168 states and 122224 transitions. [2022-11-16 11:34:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-16 11:34:47,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:34:47,027 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:34:47,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:34:47,027 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:34:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:34:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1561487705, now seen corresponding path program 1 times [2022-11-16 11:34:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:34:47,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394251688] [2022-11-16 11:34:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:34:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:34:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:34:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:34:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:34:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:34:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:34:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:34:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:34:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:34:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:34:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:34:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:34:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:34:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:34:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:34:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:34:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:34:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:34:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:34:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:34:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-16 11:34:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:34:49,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394251688] [2022-11-16 11:34:49,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394251688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:34:49,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:34:49,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:34:49,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991028305] [2022-11-16 11:34:49,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:34:49,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:34:49,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:34:49,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:34:49,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:34:49,074 INFO L87 Difference]: Start difference. First operand 81168 states and 122224 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:34:51,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:53,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:56,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:11,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:13,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:23,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:23,750 INFO L93 Difference]: Finished difference Result 94759 states and 147920 transitions. [2022-11-16 11:35:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:35:23,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 273 [2022-11-16 11:35:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:24,532 INFO L225 Difference]: With dead ends: 94759 [2022-11-16 11:35:24,532 INFO L226 Difference]: Without dead ends: 94748 [2022-11-16 11:35:24,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:35:24,581 INFO L413 NwaCegarLoop]: 3763 mSDtfsCounter, 7146 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 3496 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7522 SdHoareTripleChecker+Valid, 7662 SdHoareTripleChecker+Invalid, 6296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3496 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:24,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7522 Valid, 7662 Invalid, 6296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3496 Valid, 2796 Invalid, 4 Unknown, 0 Unchecked, 28.6s Time] [2022-11-16 11:35:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94748 states. [2022-11-16 11:35:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94748 to 81159. [2022-11-16 11:35:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81159 states, 52616 states have (on average 1.3609358370077542) internal successors, (71607), 54253 states have internal predecessors, (71607), 23390 states have call successors, (23390), 4830 states have call predecessors, (23390), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-16 11:35:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81159 states to 81159 states and 122200 transitions. [2022-11-16 11:35:30,134 INFO L78 Accepts]: Start accepts. Automaton has 81159 states and 122200 transitions. Word has length 273 [2022-11-16 11:35:30,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:30,134 INFO L495 AbstractCegarLoop]: Abstraction has 81159 states and 122200 transitions. [2022-11-16 11:35:30,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:35:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 81159 states and 122200 transitions. [2022-11-16 11:35:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-16 11:35:30,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:30,138 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-16 11:35:30,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:35:30,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:30,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1838074788, now seen corresponding path program 1 times [2022-11-16 11:35:30,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:30,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361224534] [2022-11-16 11:35:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms