/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:09:38,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:09:38,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:09:38,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:09:38,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:09:38,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:09:38,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:09:38,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:09:38,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:09:38,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:09:38,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:09:38,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:09:38,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:09:38,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:09:38,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:09:38,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:09:38,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:09:38,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:09:38,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:09:38,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:09:38,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:09:38,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:09:38,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:09:38,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:09:38,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:09:38,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:09:38,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:09:38,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:09:38,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:09:38,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:09:38,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:09:38,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:09:38,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:09:38,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:09:38,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:09:38,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:09:38,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:09:38,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:09:38,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:09:38,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:09:38,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:09:38,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:09:38,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:09:38,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:09:38,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:09:38,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:09:38,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:09:38,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:09:38,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:09:38,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:09:38,740 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:09:38,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:09:38,740 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:09:38,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:09:38,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:09:38,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:09:38,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:09:38,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:09:38,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:09:38,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:09:38,743 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:09:38,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:09:38,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:09:38,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:09:38,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:09:38,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:09:38,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:09:38,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:09:38,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:09:38,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:09:38,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:09:38,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:09:38,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:09:38,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:09:38,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:09:38,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:09:39,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:09:39,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:09:39,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:09:39,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:09:39,183 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:09:39,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-16 12:09:39,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3cc6d42/4f4701d51db1410caa4537b1ca6029cf/FLAGf3443f7e2 [2022-10-16 12:09:40,431 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:09:40,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-16 12:09:40,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3cc6d42/4f4701d51db1410caa4537b1ca6029cf/FLAGf3443f7e2 [2022-10-16 12:09:40,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3cc6d42/4f4701d51db1410caa4537b1ca6029cf [2022-10-16 12:09:40,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:09:40,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:09:40,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:09:40,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:09:40,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:09:40,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:40" (1/1) ... [2022-10-16 12:09:40,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422462f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:40, skipping insertion in model container [2022-10-16 12:09:40,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:09:40" (1/1) ... [2022-10-16 12:09:40,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:09:40,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:09:43,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-10-16 12:09:43,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:09:43,227 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:09:43,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-10-16 12:09:43,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:09:43,985 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:09:43,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43 WrapperNode [2022-10-16 12:09:43,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:09:43,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:09:43,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:09:43,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:09:43,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,367 INFO L138 Inliner]: procedures = 347, calls = 1404, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3968 [2022-10-16 12:09:44,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:09:44,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:09:44,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:09:44,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:09:44,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:09:44,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:09:44,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:09:44,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:09:44,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (1/1) ... [2022-10-16 12:09:44,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:09:44,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:09:44,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:09:44,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:09:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-16 12:09:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-16 12:09:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:09:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:09:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:09:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:09:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 12:09:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 12:09:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-16 12:09:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-16 12:09:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-10-16 12:09:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-10-16 12:09:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 12:09:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 12:09:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:09:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:09:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-16 12:09:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-10-16 12:09:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-10-16 12:09:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-10-16 12:09:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-10-16 12:09:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 12:09:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 12:09:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 12:09:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 12:09:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-10-16 12:09:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-10-16 12:09:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:09:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2022-10-16 12:09:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2022-10-16 12:09:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-10-16 12:09:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-10-16 12:09:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-16 12:09:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-16 12:09:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:09:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 12:09:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 12:09:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-16 12:09:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-16 12:09:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:09:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:09:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-16 12:09:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-16 12:09:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:09:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-10-16 12:09:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-10-16 12:09:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-10-16 12:09:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-10-16 12:09:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-10-16 12:09:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-10-16 12:09:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:09:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-10-16 12:09:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-10-16 12:09:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-10-16 12:09:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-10-16 12:09:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-10-16 12:09:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-10-16 12:09:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-10-16 12:09:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-10-16 12:09:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-10-16 12:09:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-10-16 12:09:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 12:09:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 12:09:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 12:09:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 12:09:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 12:09:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 12:09:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-10-16 12:09:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-10-16 12:09:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:09:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:09:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-16 12:09:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-16 12:09:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:09:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-16 12:09:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-16 12:09:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 12:09:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 12:09:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:09:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:09:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-16 12:09:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-16 12:09:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-10-16 12:09:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-10-16 12:09:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-16 12:09:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-16 12:09:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 12:09:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 12:09:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:09:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:09:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:09:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:09:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:09:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-10-16 12:09:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-10-16 12:09:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:09:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-10-16 12:09:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-10-16 12:09:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-10-16 12:09:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-10-16 12:09:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-16 12:09:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-16 12:09:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 12:09:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 12:09:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-16 12:09:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-16 12:09:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-16 12:09:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-16 12:09:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:09:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-16 12:09:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-16 12:09:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-10-16 12:09:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-10-16 12:09:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:09:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:09:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:09:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:09:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-10-16 12:09:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-10-16 12:09:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:09:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:09:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:09:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:09:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-16 12:09:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-16 12:09:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-10-16 12:09:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-10-16 12:09:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-10-16 12:09:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-10-16 12:09:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 12:09:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 12:09:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-10-16 12:09:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-10-16 12:09:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-16 12:09:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-16 12:09:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-10-16 12:09:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-10-16 12:09:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 12:09:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 12:09:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:09:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-16 12:09:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-16 12:09:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:09:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:09:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-10-16 12:09:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-10-16 12:09:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:09:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:09:45,695 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:09:45,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:09:46,081 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:10:07,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-16 12:10:07,912 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:10:07,931 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:10:07,931 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-16 12:10:07,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:10:07 BoogieIcfgContainer [2022-10-16 12:10:07,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:10:07,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:10:07,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:10:07,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:10:07,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:09:40" (1/3) ... [2022-10-16 12:10:07,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0a2965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:10:07, skipping insertion in model container [2022-10-16 12:10:07,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:09:43" (2/3) ... [2022-10-16 12:10:07,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0a2965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:10:07, skipping insertion in model container [2022-10-16 12:10:07,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:10:07" (3/3) ... [2022-10-16 12:10:07,945 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-16 12:10:07,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:10:07,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 12:10:08,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:10:08,092 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=FINITE_AUTOMATA, 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;@39e367bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:10:08,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 12:10:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 1460 states, 1077 states have (on average 1.3249767873723306) internal successors, (1427), 1110 states have internal predecessors, (1427), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2022-10-16 12:10:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-10-16 12:10:08,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:08,154 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:08,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ethoc_read_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:08,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:08,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2123259844, now seen corresponding path program 1 times [2022-10-16 12:10:08,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:08,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932969824] [2022-10-16 12:10:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:08,838 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 12:10:08,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349422920] [2022-10-16 12:10:08,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:08,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:10:08,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:10:08,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:10:08,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:10:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:09,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:10:09,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:10:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-10-16 12:10:09,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:10:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:09,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932969824] [2022-10-16 12:10:09,935 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 12:10:09,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349422920] [2022-10-16 12:10:09,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349422920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:09,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:09,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:10:09,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602206514] [2022-10-16 12:10:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:09,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:10:09,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:09,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:10:09,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:10:09,983 INFO L87 Difference]: Start difference. First operand has 1460 states, 1077 states have (on average 1.3249767873723306) internal successors, (1427), 1110 states have internal predecessors, (1427), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 12:10:10,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:10:10,555 INFO L93 Difference]: Finished difference Result 3999 states and 5658 transitions. [2022-10-16 12:10:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:10:10,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 185 [2022-10-16 12:10:10,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:10:10,605 INFO L225 Difference]: With dead ends: 3999 [2022-10-16 12:10:10,605 INFO L226 Difference]: Without dead ends: 2511 [2022-10-16 12:10:10,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:10:10,626 INFO L413 NwaCegarLoop]: 2462 mSDtfsCounter, 1654 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 4213 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:10:10,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 4213 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 12:10:10,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2022-10-16 12:10:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2498. [2022-10-16 12:10:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1854 states have (on average 1.2691477885652642) internal successors, (2353), 1891 states have internal predecessors, (2353), 511 states have call successors, (511), 120 states have call predecessors, (511), 120 states have return successors, (537), 505 states have call predecessors, (537), 511 states have call successors, (537) [2022-10-16 12:10:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3401 transitions. [2022-10-16 12:10:10,905 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3401 transitions. Word has length 185 [2022-10-16 12:10:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:10:10,908 INFO L495 AbstractCegarLoop]: Abstraction has 2498 states and 3401 transitions. [2022-10-16 12:10:10,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 12:10:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3401 transitions. [2022-10-16 12:10:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-16 12:10:10,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:10,934 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:10,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:10:11,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-16 12:10:11,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1989131977, now seen corresponding path program 1 times [2022-10-16 12:10:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:11,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311738403] [2022-10-16 12:10:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:11,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:10:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:10:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:10:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:10:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:10:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:10:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:10:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:10:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:10:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:10:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:10:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:10:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:10:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:10:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:10:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 12:10:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-16 12:10:12,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311738403] [2022-10-16 12:10:12,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311738403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:12,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:12,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:10:12,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058234230] [2022-10-16 12:10:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:12,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:10:12,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:10:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:10:12,457 INFO L87 Difference]: Start difference. First operand 2498 states and 3401 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 12:10:14,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:16,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:10:23,774 INFO L93 Difference]: Finished difference Result 7029 states and 9633 transitions. [2022-10-16 12:10:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:10:23,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-10-16 12:10:23,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:10:23,811 INFO L225 Difference]: With dead ends: 7029 [2022-10-16 12:10:23,811 INFO L226 Difference]: Without dead ends: 4560 [2022-10-16 12:10:23,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:10:23,826 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 1921 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 697 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 4184 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:10:23,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 4184 Invalid, 2080 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [697 Valid, 1381 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-10-16 12:10:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4560 states. [2022-10-16 12:10:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4560 to 4432. [2022-10-16 12:10:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4432 states, 3269 states have (on average 1.255429795044356) internal successors, (4104), 3333 states have internal predecessors, (4104), 916 states have call successors, (916), 231 states have call predecessors, (916), 234 states have return successors, (969), 903 states have call predecessors, (969), 916 states have call successors, (969) [2022-10-16 12:10:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4432 states to 4432 states and 5989 transitions. [2022-10-16 12:10:24,130 INFO L78 Accepts]: Start accepts. Automaton has 4432 states and 5989 transitions. Word has length 188 [2022-10-16 12:10:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:10:24,131 INFO L495 AbstractCegarLoop]: Abstraction has 4432 states and 5989 transitions. [2022-10-16 12:10:24,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 12:10:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4432 states and 5989 transitions. [2022-10-16 12:10:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-16 12:10:24,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:24,143 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:24,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:10:24,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ethoc_read_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:24,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1514324393, now seen corresponding path program 1 times [2022-10-16 12:10:24,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:24,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995216360] [2022-10-16 12:10:24,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:24,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:24,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:24,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995216360] [2022-10-16 12:10:24,420 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-16 12:10:24,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258820567] [2022-10-16 12:10:24,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:10:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:10:24,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:10:24,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:10:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:25,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 2688 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:10:25,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:10:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-10-16 12:10:25,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:10:25,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258820567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:25,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:25,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:10:25,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034780595] [2022-10-16 12:10:25,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:25,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:10:25,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:25,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:10:25,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:10:25,408 INFO L87 Difference]: Start difference. First operand 4432 states and 5989 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 12:10:27,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:28,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:10:28,057 INFO L93 Difference]: Finished difference Result 11230 states and 15175 transitions. [2022-10-16 12:10:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:10:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 211 [2022-10-16 12:10:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:10:28,123 INFO L225 Difference]: With dead ends: 11230 [2022-10-16 12:10:28,124 INFO L226 Difference]: Without dead ends: 6827 [2022-10-16 12:10:28,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:10:28,158 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 1749 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 3724 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:10:28,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 3724 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 12:10:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2022-10-16 12:10:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 6812. [2022-10-16 12:10:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 5008 states have (on average 1.2543929712460065) internal successors, (6282), 5101 states have internal predecessors, (6282), 1393 states have call successors, (1393), 394 states have call predecessors, (1393), 398 states have return successors, (1540), 1371 states have call predecessors, (1540), 1393 states have call successors, (1540) [2022-10-16 12:10:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9215 transitions. [2022-10-16 12:10:28,620 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9215 transitions. Word has length 211 [2022-10-16 12:10:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:10:28,622 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 9215 transitions. [2022-10-16 12:10:28,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 12:10:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9215 transitions. [2022-10-16 12:10:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 12:10:28,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:28,633 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:28,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:10:28,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-16 12:10:28,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:28,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1682746802, now seen corresponding path program 1 times [2022-10-16 12:10:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:28,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311732451] [2022-10-16 12:10:28,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:28,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:10:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:10:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:10:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:10:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:10:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:10:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:10:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:10:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:10:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:10:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:10:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:10:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:10:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-16 12:10:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 12:10:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 12:10:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-16 12:10:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 12:10:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-10-16 12:10:29,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:29,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311732451] [2022-10-16 12:10:29,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311732451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:29,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:29,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:10:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732457608] [2022-10-16 12:10:29,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:29,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:10:29,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:29,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:10:29,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:10:29,795 INFO L87 Difference]: Start difference. First operand 6812 states and 9215 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 12:10:31,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:33,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:40,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:10:40,136 INFO L93 Difference]: Finished difference Result 18531 states and 25222 transitions. [2022-10-16 12:10:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:10:40,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 212 [2022-10-16 12:10:40,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:10:40,227 INFO L225 Difference]: With dead ends: 18531 [2022-10-16 12:10:40,228 INFO L226 Difference]: Without dead ends: 11748 [2022-10-16 12:10:40,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:10:40,265 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 1945 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 536 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 6144 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:10:40,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 6144 Invalid, 1910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [536 Valid, 1372 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2022-10-16 12:10:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11748 states. [2022-10-16 12:10:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11748 to 11483. [2022-10-16 12:10:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11483 states, 8545 states have (on average 1.2535985956699824) internal successors, (10712), 8689 states have internal predecessors, (10712), 2253 states have call successors, (2253), 665 states have call predecessors, (2253), 672 states have return successors, (2537), 2216 states have call predecessors, (2537), 2253 states have call successors, (2537) [2022-10-16 12:10:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11483 states to 11483 states and 15502 transitions. [2022-10-16 12:10:41,008 INFO L78 Accepts]: Start accepts. Automaton has 11483 states and 15502 transitions. Word has length 212 [2022-10-16 12:10:41,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:10:41,010 INFO L495 AbstractCegarLoop]: Abstraction has 11483 states and 15502 transitions. [2022-10-16 12:10:41,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 12:10:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 11483 states and 15502 transitions. [2022-10-16 12:10:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-10-16 12:10:41,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:41,026 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 12, 12, 12, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:41,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:10:41,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:41,028 INFO L85 PathProgramCache]: Analyzing trace with hash -592827001, now seen corresponding path program 1 times [2022-10-16 12:10:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:41,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397830302] [2022-10-16 12:10:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:41,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:10:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:10:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:10:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:10:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:10:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:10:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:10:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:10:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:10:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:10:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:10:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:10:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:10:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:10:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:10:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:10:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:10:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:10:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:10:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:10:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 12:10:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 12:10:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-16 12:10:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:10:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-16 12:10:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-10-16 12:10:42,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:42,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397830302] [2022-10-16 12:10:42,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397830302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:42,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:42,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:10:42,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792743890] [2022-10-16 12:10:42,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:42,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:10:42,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:42,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:10:42,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:10:42,176 INFO L87 Difference]: Start difference. First operand 11483 states and 15502 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-10-16 12:10:44,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:46,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:10:52,603 INFO L93 Difference]: Finished difference Result 27979 states and 37976 transitions. [2022-10-16 12:10:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:10:52,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 272 [2022-10-16 12:10:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:10:52,702 INFO L225 Difference]: With dead ends: 27979 [2022-10-16 12:10:52,703 INFO L226 Difference]: Without dead ends: 16525 [2022-10-16 12:10:52,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:10:52,758 INFO L413 NwaCegarLoop]: 3498 mSDtfsCounter, 1870 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 512 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 6457 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:10:52,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 6457 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 1369 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2022-10-16 12:10:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16525 states. [2022-10-16 12:10:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16525 to 16175. [2022-10-16 12:10:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16175 states, 12088 states have (on average 1.2531436135009928) internal successors, (15148), 12283 states have internal predecessors, (15148), 3122 states have call successors, (3122), 942 states have call predecessors, (3122), 952 states have return successors, (3543), 3070 states have call predecessors, (3543), 3122 states have call successors, (3543) [2022-10-16 12:10:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16175 states to 16175 states and 21813 transitions. [2022-10-16 12:10:53,753 INFO L78 Accepts]: Start accepts. Automaton has 16175 states and 21813 transitions. Word has length 272 [2022-10-16 12:10:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:10:53,754 INFO L495 AbstractCegarLoop]: Abstraction has 16175 states and 21813 transitions. [2022-10-16 12:10:53,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-10-16 12:10:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16175 states and 21813 transitions. [2022-10-16 12:10:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-10-16 12:10:53,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:10:53,769 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:10:53,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:10:53,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:10:53,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:10:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1118688121, now seen corresponding path program 1 times [2022-10-16 12:10:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:10:53,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864665471] [2022-10-16 12:10:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:10:53,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:10:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:10:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:10:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:10:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:10:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:10:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:10:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:10:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:10:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:10:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:10:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:10:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:10:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:10:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:10:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:10:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:10:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:10:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:10:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:10:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:10:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:10:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:10:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:10:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:10:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:10:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:10:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 12:10:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-16 12:10:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:10:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 12:10:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-10-16 12:10:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:10:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2022-10-16 12:10:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:10:54,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864665471] [2022-10-16 12:10:54,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864665471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:10:54,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:10:54,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:10:54,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454286391] [2022-10-16 12:10:54,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:10:54,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:10:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:10:54,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:10:54,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:10:54,796 INFO L87 Difference]: Start difference. First operand 16175 states and 21813 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:10:56,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:10:58,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:11:05,614 INFO L93 Difference]: Finished difference Result 37406 states and 50688 transitions. [2022-10-16 12:11:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:11:05,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 321 [2022-10-16 12:11:05,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:11:05,734 INFO L225 Difference]: With dead ends: 37406 [2022-10-16 12:11:05,734 INFO L226 Difference]: Without dead ends: 21260 [2022-10-16 12:11:05,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:11:05,794 INFO L413 NwaCegarLoop]: 3499 mSDtfsCounter, 1875 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 510 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 6466 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:11:05,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 6466 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1360 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-10-16 12:11:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21260 states. [2022-10-16 12:11:06,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21260 to 20825. [2022-10-16 12:11:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20825 states, 15601 states have (on average 1.2533811935132364) internal successors, (19554), 15847 states have internal predecessors, (19554), 3982 states have call successors, (3982), 1216 states have call predecessors, (3982), 1229 states have return successors, (4540), 3915 states have call predecessors, (4540), 3982 states have call successors, (4540) [2022-10-16 12:11:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20825 states to 20825 states and 28076 transitions. [2022-10-16 12:11:07,107 INFO L78 Accepts]: Start accepts. Automaton has 20825 states and 28076 transitions. Word has length 321 [2022-10-16 12:11:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:11:07,109 INFO L495 AbstractCegarLoop]: Abstraction has 20825 states and 28076 transitions. [2022-10-16 12:11:07,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:11:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 20825 states and 28076 transitions. [2022-10-16 12:11:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-10-16 12:11:07,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:11:07,127 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:11:07,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:11:07,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:11:07,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:11:07,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1145753723, now seen corresponding path program 1 times [2022-10-16 12:11:07,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:11:07,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067591604] [2022-10-16 12:11:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:11:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:11:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:11:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:11:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:11:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:11:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:11:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:11:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:11:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:11:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:11:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:11:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:11:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:11:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:11:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:11:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:11:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:11:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:11:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:11:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:11:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:11:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:11:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:11:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:11:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:11:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:11:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 12:11:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-16 12:11:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:11:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 12:11:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-10-16 12:11:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2022-10-16 12:11:08,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:11:08,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067591604] [2022-10-16 12:11:08,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067591604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:11:08,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:11:08,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:11:08,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714906031] [2022-10-16 12:11:08,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:11:08,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:11:08,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:11:08,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:11:08,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:11:08,179 INFO L87 Difference]: Start difference. First operand 20825 states and 28076 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:11:10,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:12,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:11:19,118 INFO L93 Difference]: Finished difference Result 46930 states and 63522 transitions. [2022-10-16 12:11:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:11:19,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 321 [2022-10-16 12:11:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:11:19,249 INFO L225 Difference]: With dead ends: 46930 [2022-10-16 12:11:19,250 INFO L226 Difference]: Without dead ends: 26134 [2022-10-16 12:11:19,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:11:19,322 INFO L413 NwaCegarLoop]: 3177 mSDtfsCounter, 1938 mSDsluCounter, 2742 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 575 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 5919 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:11:19,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 5919 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1360 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-10-16 12:11:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26134 states. [2022-10-16 12:11:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26134 to 25614. [2022-10-16 12:11:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25614 states, 19213 states have (on average 1.2523812002290116) internal successors, (24062), 19510 states have internal predecessors, (24062), 4855 states have call successors, (4855), 1517 states have call predecessors, (4855), 1533 states have return successors, (5550), 4773 states have call predecessors, (5550), 4855 states have call successors, (5550) [2022-10-16 12:11:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25614 states to 25614 states and 34467 transitions. [2022-10-16 12:11:20,826 INFO L78 Accepts]: Start accepts. Automaton has 25614 states and 34467 transitions. Word has length 321 [2022-10-16 12:11:20,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:11:20,827 INFO L495 AbstractCegarLoop]: Abstraction has 25614 states and 34467 transitions. [2022-10-16 12:11:20,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:11:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 25614 states and 34467 transitions. [2022-10-16 12:11:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-10-16 12:11:20,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:11:20,849 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 9, 9, 9, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:11:20,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:11:20,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:11:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:11:20,850 INFO L85 PathProgramCache]: Analyzing trace with hash -643838544, now seen corresponding path program 1 times [2022-10-16 12:11:20,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:11:20,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134671322] [2022-10-16 12:11:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:11:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:11:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:11:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:11:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:11:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:11:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:11:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:11:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:11:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:11:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:11:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:11:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:11:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:11:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:11:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:11:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:11:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:11:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:11:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:11:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:11:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:11:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:11:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:11:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:11:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:11:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:11:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:11:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 12:11:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:11:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:11:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-16 12:11:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 12:11:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-10-16 12:11:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 12:11:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-16 12:11:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-10-16 12:11:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-16 12:11:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-10-16 12:11:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-10-16 12:11:22,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:11:22,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134671322] [2022-10-16 12:11:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134671322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:11:22,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:11:22,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:11:22,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755356845] [2022-10-16 12:11:22,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:11:22,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:11:22,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:11:22,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:11:22,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:11:22,664 INFO L87 Difference]: Start difference. First operand 25614 states and 34467 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-10-16 12:11:24,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:26,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:46,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:11:46,584 INFO L93 Difference]: Finished difference Result 57957 states and 78780 transitions. [2022-10-16 12:11:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:11:46,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 398 [2022-10-16 12:11:46,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:11:46,737 INFO L225 Difference]: With dead ends: 57957 [2022-10-16 12:11:46,737 INFO L226 Difference]: Without dead ends: 32372 [2022-10-16 12:11:46,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:11:46,816 INFO L413 NwaCegarLoop]: 3495 mSDtfsCounter, 1921 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 560 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 7447 SdHoareTripleChecker+Invalid, 3469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:11:46,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 7447 Invalid, 3469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [560 Valid, 2906 Invalid, 3 Unknown, 0 Unchecked, 21.1s Time] [2022-10-16 12:11:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32372 states. [2022-10-16 12:11:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32372 to 30345. [2022-10-16 12:11:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30345 states, 22798 states have (on average 1.2526537415562768) internal successors, (28558), 23146 states have internal predecessors, (28558), 5721 states have call successors, (5721), 1794 states have call predecessors, (5721), 1813 states have return successors, (6553), 5624 states have call predecessors, (6553), 5721 states have call successors, (6553) [2022-10-16 12:11:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30345 states to 30345 states and 40832 transitions. [2022-10-16 12:11:49,876 INFO L78 Accepts]: Start accepts. Automaton has 30345 states and 40832 transitions. Word has length 398 [2022-10-16 12:11:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:11:49,879 INFO L495 AbstractCegarLoop]: Abstraction has 30345 states and 40832 transitions. [2022-10-16 12:11:49,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-10-16 12:11:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 30345 states and 40832 transitions. [2022-10-16 12:11:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-10-16 12:11:49,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:11:49,900 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 9, 9, 9, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:11:49,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:11:49,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:11:49,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:11:49,901 INFO L85 PathProgramCache]: Analyzing trace with hash -670904146, now seen corresponding path program 1 times [2022-10-16 12:11:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:11:49,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292623937] [2022-10-16 12:11:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:11:49,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:11:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:11:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:11:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:11:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:11:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:11:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:11:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:11:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:11:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:11:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:11:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:11:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:11:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:11:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:11:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:11:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:11:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:11:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:11:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:11:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:11:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:11:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:11:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:11:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:11:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:11:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:11:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 12:11:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:11:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:11:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-16 12:11:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:11:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 12:11:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-10-16 12:11:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 12:11:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-16 12:11:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-10-16 12:11:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-16 12:11:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-10-16 12:11:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:11:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-10-16 12:11:51,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:11:51,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292623937] [2022-10-16 12:11:51,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292623937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:11:51,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:11:51,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:11:51,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540613531] [2022-10-16 12:11:51,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:11:51,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:11:51,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:11:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:11:51,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:11:51,349 INFO L87 Difference]: Start difference. First operand 30345 states and 40832 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-10-16 12:11:53,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:55,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:11:57,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:12:14,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:12:14,883 INFO L93 Difference]: Finished difference Result 67652 states and 91948 transitions. [2022-10-16 12:12:14,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:12:14,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 398 [2022-10-16 12:12:14,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:12:15,190 INFO L225 Difference]: With dead ends: 67652 [2022-10-16 12:12:15,191 INFO L226 Difference]: Without dead ends: 37336 [2022-10-16 12:12:15,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:12:15,284 INFO L413 NwaCegarLoop]: 3478 mSDtfsCounter, 1912 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 557 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 7422 SdHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:12:15,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 7422 Invalid, 3467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [557 Valid, 2907 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2022-10-16 12:12:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37336 states. [2022-10-16 12:12:18,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37336 to 34992. [2022-10-16 12:12:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34992 states, 26311 states have (on average 1.2528600205237352) internal successors, (32964), 26710 states have internal predecessors, (32964), 6581 states have call successors, (6581), 2065 states have call predecessors, (6581), 2087 states have return successors, (7550), 6469 states have call predecessors, (7550), 6581 states have call successors, (7550) [2022-10-16 12:12:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34992 states to 34992 states and 47095 transitions. [2022-10-16 12:12:18,631 INFO L78 Accepts]: Start accepts. Automaton has 34992 states and 47095 transitions. Word has length 398 [2022-10-16 12:12:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:12:18,632 INFO L495 AbstractCegarLoop]: Abstraction has 34992 states and 47095 transitions. [2022-10-16 12:12:18,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-10-16 12:12:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34992 states and 47095 transitions. [2022-10-16 12:12:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-10-16 12:12:18,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:12:18,651 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:12:18,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:12:18,652 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __rounddown_pow_of_twoErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:12:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:12:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash -709842214, now seen corresponding path program 1 times [2022-10-16 12:12:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:12:18,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088983244] [2022-10-16 12:12:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:12:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:12:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:12:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:12:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:12:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:12:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:12:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:12:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:12:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:12:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:12:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:12:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:12:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:12:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:12:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:12:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:12:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:12:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:12:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:12:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:12:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:12:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:12:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:12:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:12:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:12:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:12:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:12:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-16 12:12:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:12:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-16 12:12:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:12:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:12:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:12:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-16 12:12:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-10-16 12:12:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-10-16 12:12:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-10-16 12:12:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-10-16 12:12:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-10-16 12:12:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 12:12:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-10-16 12:12:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-10-16 12:12:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-10-16 12:12:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-10-16 12:12:19,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:12:19,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088983244] [2022-10-16 12:12:19,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088983244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:12:19,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:12:19,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:12:19,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482041693] [2022-10-16 12:12:19,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:12:19,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:12:19,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:12:19,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:12:19,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:12:19,982 INFO L87 Difference]: Start difference. First operand 34992 states and 47095 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-10-16 12:12:22,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:12:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:12:31,831 INFO L93 Difference]: Finished difference Result 37251 states and 50985 transitions. [2022-10-16 12:12:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:12:31,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 454 [2022-10-16 12:12:31,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:12:31,985 INFO L225 Difference]: With dead ends: 37251 [2022-10-16 12:12:31,985 INFO L226 Difference]: Without dead ends: 37250 [2022-10-16 12:12:32,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:12:32,008 INFO L413 NwaCegarLoop]: 1796 mSDtfsCounter, 857 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 670 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:12:32,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 4683 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 1607 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-10-16 12:12:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37250 states. [2022-10-16 12:12:34,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37250 to 35092. [2022-10-16 12:12:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35092 states, 26383 states have (on average 1.2507296365083576) internal successors, (32998), 26782 states have internal predecessors, (32998), 6581 states have call successors, (6581), 2065 states have call predecessors, (6581), 2116 states have return successors, (7595), 6497 states have call predecessors, (7595), 6581 states have call successors, (7595) [2022-10-16 12:12:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35092 states to 35092 states and 47174 transitions. [2022-10-16 12:12:35,021 INFO L78 Accepts]: Start accepts. Automaton has 35092 states and 47174 transitions. Word has length 454 [2022-10-16 12:12:35,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:12:35,022 INFO L495 AbstractCegarLoop]: Abstraction has 35092 states and 47174 transitions. [2022-10-16 12:12:35,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-10-16 12:12:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35092 states and 47174 transitions. [2022-10-16 12:12:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-10-16 12:12:35,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:12:35,040 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:12:35,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:12:35,040 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __rounddown_pow_of_twoErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:12:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:12:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash -530271155, now seen corresponding path program 1 times [2022-10-16 12:12:35,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:12:35,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102649055] [2022-10-16 12:12:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:12:35,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:12:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:12:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:12:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:12:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:12:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:12:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:12:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:12:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:12:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:12:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:12:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:12:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:12:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:12:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:12:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:12:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:12:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:12:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:12:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:12:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:12:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:12:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:12:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:12:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:12:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:12:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:12:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-16 12:12:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:12:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-16 12:12:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:12:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:12:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:12:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-16 12:12:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-10-16 12:12:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-10-16 12:12:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-10-16 12:12:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-10-16 12:12:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-10-16 12:12:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 12:12:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-10-16 12:12:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-10-16 12:12:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-10-16 12:12:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-10-16 12:12:36,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:12:36,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102649055] [2022-10-16 12:12:36,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102649055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:12:36,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:12:36,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:12:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953881838] [2022-10-16 12:12:36,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:12:36,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:12:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:12:36,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:12:36,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:12:36,559 INFO L87 Difference]: Start difference. First operand 35092 states and 47174 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-10-16 12:12:38,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:12:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:12:49,434 INFO L93 Difference]: Finished difference Result 37250 states and 50947 transitions. [2022-10-16 12:12:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:12:49,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 455 [2022-10-16 12:12:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:12:49,535 INFO L225 Difference]: With dead ends: 37250 [2022-10-16 12:12:49,535 INFO L226 Difference]: Without dead ends: 37249 [2022-10-16 12:12:49,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:12:49,551 INFO L413 NwaCegarLoop]: 1787 mSDtfsCounter, 480 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 318 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:12:49,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 5375 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 2061 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-10-16 12:12:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37249 states. [2022-10-16 12:12:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37249 to 35091. [2022-10-16 12:12:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35091 states, 26383 states have (on average 1.249289315089262) internal successors, (32960), 26781 states have internal predecessors, (32960), 6581 states have call successors, (6581), 2065 states have call predecessors, (6581), 2116 states have return successors, (7595), 6497 states have call predecessors, (7595), 6581 states have call successors, (7595) [2022-10-16 12:12:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35091 states to 35091 states and 47136 transitions. [2022-10-16 12:12:52,578 INFO L78 Accepts]: Start accepts. Automaton has 35091 states and 47136 transitions. Word has length 455 [2022-10-16 12:12:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:12:52,580 INFO L495 AbstractCegarLoop]: Abstraction has 35091 states and 47136 transitions. [2022-10-16 12:12:52,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-10-16 12:12:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 35091 states and 47136 transitions. [2022-10-16 12:12:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 12:12:52,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:12:52,603 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 10, 10, 10, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:12:52,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:12:52,603 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ethoc_write_bdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ethoc_write_bdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 12:12:52,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:12:52,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1304844722, now seen corresponding path program 1 times [2022-10-16 12:12:52,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:12:52,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477091243] [2022-10-16 12:12:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:12:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:12:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:12:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:12:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:12:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:12:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:12:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:12:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:12:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:12:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:12:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:12:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:12:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:12:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 12:12:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:12:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 12:12:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 12:12:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:12:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 12:12:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:12:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 12:12:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 12:12:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:12:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:12:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:12:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:12:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:12:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 12:12:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:12:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:12:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-16 12:12:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 12:12:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-10-16 12:12:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-10-16 12:12:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-16 12:12:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:12:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-16 12:12:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-10-16 12:12:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-10-16 12:12:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 12:12:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-16 12:12:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-10-16 12:12:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:12:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-10-16 12:12:54,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:12:54,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477091243] [2022-10-16 12:12:54,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477091243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:12:54,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:12:54,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:12:54,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265787170] [2022-10-16 12:12:54,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:12:54,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:12:54,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:12:54,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:12:54,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:12:54,171 INFO L87 Difference]: Start difference. First operand 35091 states and 47136 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (42), 4 states have call predecessors, (42), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-10-16 12:12:56,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:12:58,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []