/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-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:33:56,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:33:56,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:33:56,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:33:56,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:33:56,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:33:56,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:33:56,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:33:56,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:33:56,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:33:56,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:33:56,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:33:56,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:33:56,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:33:56,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:33:56,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:33:56,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:33:56,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:33:56,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:33:56,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:33:56,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:33:56,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:33:56,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:33:56,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:33:56,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:33:56,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:33:56,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:33:56,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:33:56,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:33:56,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:33:56,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:33:56,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:33:56,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:33:56,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:33:56,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:33:56,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:33:56,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:33:56,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:33:56,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:33:56,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:33:56,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:33:56,913 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 [2022-10-15 21:33:56,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:33:56,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:33:56,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:33:56,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:33:56,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:33:56,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:33:56,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:33:56,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:33:56,966 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:33:56,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:33:56,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:33:56,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:33:56,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:33:56,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:33:56,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:33:56,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:33:56,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:33:56,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:33:56,968 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:33:56,968 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:33:56,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:33:56,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:33:56,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:33:56,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:33:56,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:33:56,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:33:56,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:33:56,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:33:56,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:33:56,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:33:56,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:33:56,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:33:56,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:33:56,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:33:57,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:33:57,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:33:57,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:33:57,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:33:57,367 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:33:57,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-10-15 21:33:57,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dff5ae6bb/d5acc79ec22d4893b3109660ccbd739e/FLAG946be2e90 [2022-10-15 21:33:58,445 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:33:58,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-10-15 21:33:58,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dff5ae6bb/d5acc79ec22d4893b3109660ccbd739e/FLAG946be2e90 [2022-10-15 21:33:58,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dff5ae6bb/d5acc79ec22d4893b3109660ccbd739e [2022-10-15 21:33:58,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:33:58,976 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:33:58,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:33:58,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:33:58,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:33:58,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:33:58" (1/1) ... [2022-10-15 21:33:58,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e978f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:58, skipping insertion in model container [2022-10-15 21:33:58,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:33:58" (1/1) ... [2022-10-15 21:33:58,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:33:59,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:33:59,691 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-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-10-15 21:34:00,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:34:00,076 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:34:00,210 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-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-10-15 21:34:00,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:34:00,430 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:34:00,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00 WrapperNode [2022-10-15 21:34:00,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:34:00,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:34:00,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:34:00,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:34:00,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,652 INFO L138 Inliner]: procedures = 96, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1820 [2022-10-15 21:34:00,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:34:00,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:34:00,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:34:00,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:34:00,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:34:00,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:34:00,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:34:00,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:34:00,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (1/1) ... [2022-10-15 21:34:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:34:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:00,871 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) [2022-10-15 21:34:00,977 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 [2022-10-15 21:34:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:34:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:34:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:34:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-10-15 21:34:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-10-15 21:34:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-10-15 21:34:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-10-15 21:34:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:34:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:34:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:34:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-10-15 21:34:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-10-15 21:34:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-10-15 21:34:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-10-15 21:34:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-15 21:34:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-15 21:34:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:34:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:34:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:34:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-10-15 21:34:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-10-15 21:34:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:34:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:34:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:34:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:34:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-10-15 21:34:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-10-15 21:34:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:34:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:34:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-15 21:34:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-15 21:34:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-15 21:34:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-15 21:34:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-10-15 21:34:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-10-15 21:34:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:34:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:34:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-10-15 21:34:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-10-15 21:34:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-10-15 21:34:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-10-15 21:34:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:34:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:34:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:34:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-10-15 21:34:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-10-15 21:34:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:34:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:34:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:34:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-10-15 21:34:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-10-15 21:34:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:34:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:34:01,494 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:34:01,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:34:01,573 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:34:03,341 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:34:03,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:34:03,355 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:34:03,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:34:03 BoogieIcfgContainer [2022-10-15 21:34:03,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:34:03,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:34:03,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:34:03,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:34:03,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:33:58" (1/3) ... [2022-10-15 21:34:03,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0053e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:34:03, skipping insertion in model container [2022-10-15 21:34:03,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:00" (2/3) ... [2022-10-15 21:34:03,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0053e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:34:03, skipping insertion in model container [2022-10-15 21:34:03,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:34:03" (3/3) ... [2022-10-15 21:34:03,368 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-10-15 21:34:03,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:34:03,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-15 21:34:03,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:34:03,473 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;@37d2f4a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:34:03,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-15 21:34:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 402 states, 296 states have (on average 1.4493243243243243) internal successors, (429), 317 states have internal predecessors, (429), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-10-15 21:34:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-15 21:34:03,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:03,495 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:34:03,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:03,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:03,502 INFO L85 PathProgramCache]: Analyzing trace with hash 248727836, now seen corresponding path program 1 times [2022-10-15 21:34:03,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:03,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122789767] [2022-10-15 21:34:03,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:03,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:04,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:04,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122789767] [2022-10-15 21:34:04,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122789767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:04,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:04,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771412180] [2022-10-15 21:34:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:04,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:04,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:04,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:04,415 INFO L87 Difference]: Start difference. First operand has 402 states, 296 states have (on average 1.4493243243243243) internal successors, (429), 317 states have internal predecessors, (429), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:34:05,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:05,570 INFO L93 Difference]: Finished difference Result 1137 states and 1628 transitions. [2022-10-15 21:34:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:34:05,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2022-10-15 21:34:05,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:05,593 INFO L225 Difference]: With dead ends: 1137 [2022-10-15 21:34:05,593 INFO L226 Difference]: Without dead ends: 703 [2022-10-15 21:34:05,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:34:05,605 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 604 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:05,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1739 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:34:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-10-15 21:34:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 687. [2022-10-15 21:34:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 519 states have (on average 1.4315992292870905) internal successors, (743), 534 states have internal predecessors, (743), 119 states have call successors, (119), 35 states have call predecessors, (119), 35 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2022-10-15 21:34:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 981 transitions. [2022-10-15 21:34:05,735 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 981 transitions. Word has length 43 [2022-10-15 21:34:05,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:05,736 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 981 transitions. [2022-10-15 21:34:05,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:34:05,737 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 981 transitions. [2022-10-15 21:34:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:34:05,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:05,743 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:34:05,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:34:05,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash 294955510, now seen corresponding path program 1 times [2022-10-15 21:34:05,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520912256] [2022-10-15 21:34:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:06,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:06,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520912256] [2022-10-15 21:34:06,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520912256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:06,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:06,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525789238] [2022-10-15 21:34:06,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:06,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:06,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:06,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:06,170 INFO L87 Difference]: Start difference. First operand 687 states and 981 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:34:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:06,868 INFO L93 Difference]: Finished difference Result 1482 states and 2113 transitions. [2022-10-15 21:34:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:34:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2022-10-15 21:34:06,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:06,876 INFO L225 Difference]: With dead ends: 1482 [2022-10-15 21:34:06,877 INFO L226 Difference]: Without dead ends: 812 [2022-10-15 21:34:06,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:06,881 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 233 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:06,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1545 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:34:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-10-15 21:34:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 795. [2022-10-15 21:34:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 615 states have (on average 1.4341463414634146) internal successors, (882), 630 states have internal predecessors, (882), 125 states have call successors, (125), 41 states have call predecessors, (125), 41 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2022-10-15 21:34:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1132 transitions. [2022-10-15 21:34:06,955 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1132 transitions. Word has length 52 [2022-10-15 21:34:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:06,956 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1132 transitions. [2022-10-15 21:34:06,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:34:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1132 transitions. [2022-10-15 21:34:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:34:06,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:06,967 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-10-15 21:34:06,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:34:06,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 248595729, now seen corresponding path program 1 times [2022-10-15 21:34:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:06,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844568994] [2022-10-15 21:34:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 21:34:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844568994] [2022-10-15 21:34:07,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844568994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:07,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:07,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:34:07,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993529962] [2022-10-15 21:34:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:07,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:34:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:34:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:34:07,636 INFO L87 Difference]: Start difference. First operand 795 states and 1132 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:34:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:08,610 INFO L93 Difference]: Finished difference Result 2162 states and 3190 transitions. [2022-10-15 21:34:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:34:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 66 [2022-10-15 21:34:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:08,621 INFO L225 Difference]: With dead ends: 2162 [2022-10-15 21:34:08,621 INFO L226 Difference]: Without dead ends: 1395 [2022-10-15 21:34:08,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:34:08,625 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 971 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 2521 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:08,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 2521 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:34:08,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2022-10-15 21:34:08,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 779. [2022-10-15 21:34:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 601 states have (on average 1.4359400998336107) internal successors, (863), 617 states have internal predecessors, (863), 124 states have call successors, (124), 40 states have call predecessors, (124), 40 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2022-10-15 21:34:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1111 transitions. [2022-10-15 21:34:08,701 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1111 transitions. Word has length 66 [2022-10-15 21:34:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1111 transitions. [2022-10-15 21:34:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:34:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1111 transitions. [2022-10-15 21:34:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 21:34:08,705 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:08,705 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:08,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:34:08,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:08,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:08,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1854761644, now seen corresponding path program 1 times [2022-10-15 21:34:08,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:08,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272303688] [2022-10-15 21:34:08,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:08,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-15 21:34:09,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:09,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272303688] [2022-10-15 21:34:09,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272303688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:09,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:09,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:09,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956530501] [2022-10-15 21:34:09,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:09,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:09,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:09,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:09,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:09,070 INFO L87 Difference]: Start difference. First operand 779 states and 1111 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:34:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:09,628 INFO L93 Difference]: Finished difference Result 1541 states and 2209 transitions. [2022-10-15 21:34:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:34:09,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2022-10-15 21:34:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:09,635 INFO L225 Difference]: With dead ends: 1541 [2022-10-15 21:34:09,635 INFO L226 Difference]: Without dead ends: 790 [2022-10-15 21:34:09,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:09,638 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 525 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:09,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1168 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:34:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2022-10-15 21:34:09,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 779. [2022-10-15 21:34:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 601 states have (on average 1.4093178036605658) internal successors, (847), 617 states have internal predecessors, (847), 124 states have call successors, (124), 40 states have call predecessors, (124), 40 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2022-10-15 21:34:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1095 transitions. [2022-10-15 21:34:09,703 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1095 transitions. Word has length 83 [2022-10-15 21:34:09,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:09,704 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1095 transitions. [2022-10-15 21:34:09,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:34:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1095 transitions. [2022-10-15 21:34:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 21:34:09,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:09,707 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:09,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:34:09,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1969020208, now seen corresponding path program 1 times [2022-10-15 21:34:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598076912] [2022-10-15 21:34:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:10,140 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-15 21:34:10,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:10,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598076912] [2022-10-15 21:34:10,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598076912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:10,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:10,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:34:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649066231] [2022-10-15 21:34:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:10,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:10,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:10,144 INFO L87 Difference]: Start difference. First operand 779 states and 1095 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:34:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:11,060 INFO L93 Difference]: Finished difference Result 1521 states and 2162 transitions. [2022-10-15 21:34:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:34:11,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2022-10-15 21:34:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:11,071 INFO L225 Difference]: With dead ends: 1521 [2022-10-15 21:34:11,071 INFO L226 Difference]: Without dead ends: 1517 [2022-10-15 21:34:11,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:34:11,073 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 567 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:11,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1656 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2022-10-15 21:34:11,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1492. [2022-10-15 21:34:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1161 states have (on average 1.4117140396210164) internal successors, (1639), 1190 states have internal predecessors, (1639), 242 states have call successors, (242), 77 states have call predecessors, (242), 75 states have return successors, (242), 228 states have call predecessors, (242), 242 states have call successors, (242) [2022-10-15 21:34:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2123 transitions. [2022-10-15 21:34:11,194 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2123 transitions. Word has length 83 [2022-10-15 21:34:11,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:11,195 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2123 transitions. [2022-10-15 21:34:11,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:34:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2123 transitions. [2022-10-15 21:34:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:34:11,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:11,200 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-15 21:34:11,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:34:11,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:11,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash 993700015, now seen corresponding path program 1 times [2022-10-15 21:34:11,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:11,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919690052] [2022-10-15 21:34:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:34:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:34:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:11,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:11,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919690052] [2022-10-15 21:34:11,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919690052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:11,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:11,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:34:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060696930] [2022-10-15 21:34:11,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:11,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:11,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:11,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:11,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:11,648 INFO L87 Difference]: Start difference. First operand 1492 states and 2123 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:12,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:12,616 INFO L93 Difference]: Finished difference Result 2985 states and 4266 transitions. [2022-10-15 21:34:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:34:12,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2022-10-15 21:34:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:12,635 INFO L225 Difference]: With dead ends: 2985 [2022-10-15 21:34:12,636 INFO L226 Difference]: Without dead ends: 2975 [2022-10-15 21:34:12,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:34:12,643 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 593 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:12,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1622 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2022-10-15 21:34:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2942. [2022-10-15 21:34:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2303 states have (on average 1.3986105080330005) internal successors, (3221), 2348 states have internal predecessors, (3221), 478 states have call successors, (478), 151 states have call predecessors, (478), 147 states have return successors, (478), 450 states have call predecessors, (478), 478 states have call successors, (478) [2022-10-15 21:34:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 4177 transitions. [2022-10-15 21:34:12,862 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 4177 transitions. Word has length 85 [2022-10-15 21:34:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:12,862 INFO L495 AbstractCegarLoop]: Abstraction has 2942 states and 4177 transitions. [2022-10-15 21:34:12,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 4177 transitions. [2022-10-15 21:34:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:34:12,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:12,867 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-15 21:34:12,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:34:12,867 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1660161076, now seen corresponding path program 1 times [2022-10-15 21:34:12,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:12,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349692351] [2022-10-15 21:34:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:34:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:34:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:34:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:34:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:13,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:13,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349692351] [2022-10-15 21:34:13,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349692351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:13,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:13,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:13,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242843286] [2022-10-15 21:34:13,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:13,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:13,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:13,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:13,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:13,239 INFO L87 Difference]: Start difference. First operand 2942 states and 4177 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:34:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:14,270 INFO L93 Difference]: Finished difference Result 6521 states and 9309 transitions. [2022-10-15 21:34:14,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:34:14,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2022-10-15 21:34:14,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:14,295 INFO L225 Difference]: With dead ends: 6521 [2022-10-15 21:34:14,295 INFO L226 Difference]: Without dead ends: 3607 [2022-10-15 21:34:14,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:34:14,306 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 487 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:14,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 2516 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2022-10-15 21:34:14,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3558. [2022-10-15 21:34:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3558 states, 2790 states have (on average 1.3906810035842294) internal successors, (3880), 2842 states have internal predecessors, (3880), 580 states have call successors, (580), 179 states have call predecessors, (580), 174 states have return successors, (580), 546 states have call predecessors, (580), 580 states have call successors, (580) [2022-10-15 21:34:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 5040 transitions. [2022-10-15 21:34:14,575 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 5040 transitions. Word has length 97 [2022-10-15 21:34:14,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:14,576 INFO L495 AbstractCegarLoop]: Abstraction has 3558 states and 5040 transitions. [2022-10-15 21:34:14,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:34:14,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 5040 transitions. [2022-10-15 21:34:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:34:14,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:14,580 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-15 21:34:14,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:34:14,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:14,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 904130287, now seen corresponding path program 1 times [2022-10-15 21:34:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:14,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906728815] [2022-10-15 21:34:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:34:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:34:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:14,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906728815] [2022-10-15 21:34:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906728815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:14,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:14,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387040534] [2022-10-15 21:34:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:14,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:14,928 INFO L87 Difference]: Start difference. First operand 3558 states and 5040 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-15 21:34:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:15,869 INFO L93 Difference]: Finished difference Result 6451 states and 9189 transitions. [2022-10-15 21:34:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:34:15,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2022-10-15 21:34:15,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:15,899 INFO L225 Difference]: With dead ends: 6451 [2022-10-15 21:34:15,899 INFO L226 Difference]: Without dead ends: 4303 [2022-10-15 21:34:15,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:34:15,908 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 494 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:15,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 2581 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:34:15,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2022-10-15 21:34:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 4254. [2022-10-15 21:34:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4254 states, 3341 states have (on average 1.3909009278659084) internal successors, (4647), 3400 states have internal predecessors, (4647), 690 states have call successors, (690), 215 states have call predecessors, (690), 209 states have return successors, (690), 650 states have call predecessors, (690), 690 states have call successors, (690) [2022-10-15 21:34:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 4254 states and 6027 transitions. [2022-10-15 21:34:16,281 INFO L78 Accepts]: Start accepts. Automaton has 4254 states and 6027 transitions. Word has length 96 [2022-10-15 21:34:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:16,281 INFO L495 AbstractCegarLoop]: Abstraction has 4254 states and 6027 transitions. [2022-10-15 21:34:16,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-15 21:34:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4254 states and 6027 transitions. [2022-10-15 21:34:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:34:16,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:16,286 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-15 21:34:16,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:34:16,287 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash 681945170, now seen corresponding path program 1 times [2022-10-15 21:34:16,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:16,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640358283] [2022-10-15 21:34:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:16,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:34:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:34:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:34:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:16,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:16,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640358283] [2022-10-15 21:34:16,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640358283] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:16,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055171779] [2022-10-15 21:34:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:16,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:16,833 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) [2022-10-15 21:34:16,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:34:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:17,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 2557 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:34:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-15 21:34:17,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:34:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:17,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055171779] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:34:17,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:34:17,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-15 21:34:17,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803030303] [2022-10-15 21:34:17,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:34:17,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:34:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:17,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:34:17,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:34:17,663 INFO L87 Difference]: Start difference. First operand 4254 states and 6027 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 6 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2022-10-15 21:34:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:20,565 INFO L93 Difference]: Finished difference Result 11821 states and 16859 transitions. [2022-10-15 21:34:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:34:20,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 6 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 101 [2022-10-15 21:34:20,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:20,655 INFO L225 Difference]: With dead ends: 11821 [2022-10-15 21:34:20,655 INFO L226 Difference]: Without dead ends: 11816 [2022-10-15 21:34:20,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=217, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:34:20,664 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 3093 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3365 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:20,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3365 Valid, 2739 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 21:34:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11816 states. [2022-10-15 21:34:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11816 to 8833. [2022-10-15 21:34:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8833 states, 6961 states have (on average 1.3895991955178855) internal successors, (9673), 7063 states have internal predecessors, (9673), 1429 states have call successors, (1429), 443 states have call predecessors, (1429), 432 states have return successors, (1429), 1351 states have call predecessors, (1429), 1429 states have call successors, (1429) [2022-10-15 21:34:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8833 states to 8833 states and 12531 transitions. [2022-10-15 21:34:21,480 INFO L78 Accepts]: Start accepts. Automaton has 8833 states and 12531 transitions. Word has length 101 [2022-10-15 21:34:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:21,480 INFO L495 AbstractCegarLoop]: Abstraction has 8833 states and 12531 transitions. [2022-10-15 21:34:21,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 6 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2022-10-15 21:34:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 8833 states and 12531 transitions. [2022-10-15 21:34:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:34:21,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:21,491 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:21,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:21,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:21,704 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:21,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1536669587, now seen corresponding path program 1 times [2022-10-15 21:34:21,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:21,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69241183] [2022-10-15 21:34:21,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:21,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-15 21:34:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-15 21:34:22,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:22,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69241183] [2022-10-15 21:34:22,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69241183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:22,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:22,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:34:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656823980] [2022-10-15 21:34:22,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:22,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:34:22,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:34:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:34:22,166 INFO L87 Difference]: Start difference. First operand 8833 states and 12531 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:23,601 INFO L93 Difference]: Finished difference Result 22519 states and 32945 transitions. [2022-10-15 21:34:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:34:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2022-10-15 21:34:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:23,666 INFO L225 Difference]: With dead ends: 22519 [2022-10-15 21:34:23,667 INFO L226 Difference]: Without dead ends: 13714 [2022-10-15 21:34:23,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:23,693 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 393 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:23,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2834 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:23,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13714 states. [2022-10-15 21:34:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13714 to 8872. [2022-10-15 21:34:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 7000 states have (on average 1.383857142857143) internal successors, (9687), 7102 states have internal predecessors, (9687), 1429 states have call successors, (1429), 443 states have call predecessors, (1429), 432 states have return successors, (1429), 1351 states have call predecessors, (1429), 1429 states have call successors, (1429) [2022-10-15 21:34:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 12545 transitions. [2022-10-15 21:34:24,504 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 12545 transitions. Word has length 102 [2022-10-15 21:34:24,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:24,504 INFO L495 AbstractCegarLoop]: Abstraction has 8872 states and 12545 transitions. [2022-10-15 21:34:24,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 12545 transitions. [2022-10-15 21:34:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:34:24,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:24,510 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:24,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:34:24,510 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:24,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:24,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1143642577, now seen corresponding path program 1 times [2022-10-15 21:34:24,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:24,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873195446] [2022-10-15 21:34:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-15 21:34:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-15 21:34:25,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:25,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873195446] [2022-10-15 21:34:25,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873195446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:25,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:25,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:34:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600538306] [2022-10-15 21:34:25,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:25,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:25,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:25,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:25,235 INFO L87 Difference]: Start difference. First operand 8872 states and 12545 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:27,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:27,422 INFO L93 Difference]: Finished difference Result 13989 states and 19823 transitions. [2022-10-15 21:34:27,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:34:27,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2022-10-15 21:34:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:27,473 INFO L225 Difference]: With dead ends: 13989 [2022-10-15 21:34:27,473 INFO L226 Difference]: Without dead ends: 13987 [2022-10-15 21:34:27,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:34:27,482 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 1112 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:27,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 2368 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 21:34:27,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13987 states. [2022-10-15 21:34:28,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13987 to 13853. [2022-10-15 21:34:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13853 states, 10943 states have (on average 1.3817051996710226) internal successors, (15120), 11067 states have internal predecessors, (15120), 2223 states have call successors, (2223), 687 states have call predecessors, (2223), 676 states have return successors, (2223), 2137 states have call predecessors, (2223), 2223 states have call successors, (2223) [2022-10-15 21:34:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13853 states to 13853 states and 19566 transitions. [2022-10-15 21:34:28,290 INFO L78 Accepts]: Start accepts. Automaton has 13853 states and 19566 transitions. Word has length 102 [2022-10-15 21:34:28,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:28,290 INFO L495 AbstractCegarLoop]: Abstraction has 13853 states and 19566 transitions. [2022-10-15 21:34:28,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13853 states and 19566 transitions. [2022-10-15 21:34:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:34:28,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:28,295 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-15 21:34:28,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:34:28,296 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:28,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:28,296 INFO L85 PathProgramCache]: Analyzing trace with hash -334535282, now seen corresponding path program 1 times [2022-10-15 21:34:28,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:28,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217958164] [2022-10-15 21:34:28,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:28,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:34:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:34:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:34:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:34:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-15 21:34:28,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217958164] [2022-10-15 21:34:28,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217958164] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908897425] [2022-10-15 21:34:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:28,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:28,799 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) [2022-10-15 21:34:28,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:34:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:29,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:34:29,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-15 21:34:29,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:29,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908897425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:29,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:29,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-15 21:34:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220375555] [2022-10-15 21:34:29,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:29,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:34:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:34:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:29,435 INFO L87 Difference]: Start difference. First operand 13853 states and 19566 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-15 21:34:30,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:30,766 INFO L93 Difference]: Finished difference Result 25769 states and 36408 transitions. [2022-10-15 21:34:30,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:34:30,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 102 [2022-10-15 21:34:30,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:30,870 INFO L225 Difference]: With dead ends: 25769 [2022-10-15 21:34:30,871 INFO L226 Difference]: Without dead ends: 25764 [2022-10-15 21:34:30,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:30,884 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 971 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:30,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1892 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:34:30,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25764 states. [2022-10-15 21:34:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25764 to 24260. [2022-10-15 21:34:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24260 states, 19185 states have (on average 1.379098253844149) internal successors, (26458), 19345 states have internal predecessors, (26458), 3874 states have call successors, (3874), 1201 states have call predecessors, (3874), 1190 states have return successors, (3874), 3781 states have call predecessors, (3874), 3874 states have call successors, (3874) [2022-10-15 21:34:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24260 states to 24260 states and 34206 transitions. [2022-10-15 21:34:32,571 INFO L78 Accepts]: Start accepts. Automaton has 24260 states and 34206 transitions. Word has length 102 [2022-10-15 21:34:32,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:32,572 INFO L495 AbstractCegarLoop]: Abstraction has 24260 states and 34206 transitions. [2022-10-15 21:34:32,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-15 21:34:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24260 states and 34206 transitions. [2022-10-15 21:34:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 21:34:32,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:32,577 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:32,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:32,792 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,SelfDestructingSolverStorable11 [2022-10-15 21:34:32,792 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:32,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:32,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1093181621, now seen corresponding path program 1 times [2022-10-15 21:34:32,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:32,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572682127] [2022-10-15 21:34:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:32,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-15 21:34:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-15 21:34:33,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:33,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572682127] [2022-10-15 21:34:33,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572682127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:33,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:33,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:34:33,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95796519] [2022-10-15 21:34:33,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:33,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:33,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:33,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:33,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:33,812 INFO L87 Difference]: Start difference. First operand 24260 states and 34206 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:36,437 INFO L93 Difference]: Finished difference Result 32161 states and 45526 transitions. [2022-10-15 21:34:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:34:36,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-10-15 21:34:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:36,574 INFO L225 Difference]: With dead ends: 32161 [2022-10-15 21:34:36,574 INFO L226 Difference]: Without dead ends: 32159 [2022-10-15 21:34:36,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:34:36,592 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 1164 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:36,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 3002 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:34:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32159 states. [2022-10-15 21:34:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32159 to 31709. [2022-10-15 21:34:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31709 states, 25149 states have (on average 1.3804127400691877) internal successors, (34716), 25405 states have internal predecessors, (34716), 5000 states have call successors, (5000), 1571 states have call predecessors, (5000), 1549 states have return successors, (5000), 4822 states have call predecessors, (5000), 5000 states have call successors, (5000) [2022-10-15 21:34:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31709 states to 31709 states and 44716 transitions. [2022-10-15 21:34:38,760 INFO L78 Accepts]: Start accepts. Automaton has 31709 states and 44716 transitions. Word has length 103 [2022-10-15 21:34:38,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:38,760 INFO L495 AbstractCegarLoop]: Abstraction has 31709 states and 44716 transitions. [2022-10-15 21:34:38,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:34:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 31709 states and 44716 transitions. [2022-10-15 21:34:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 21:34:38,775 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:38,775 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-10-15 21:34:38,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:34:38,776 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:38,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:38,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1222881479, now seen corresponding path program 1 times [2022-10-15 21:34:38,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:38,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655606987] [2022-10-15 21:34:38,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:38,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:34:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:34:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:34:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:34:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:34:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:34:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:34:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:34:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:34:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-15 21:34:39,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:39,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655606987] [2022-10-15 21:34:39,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655606987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:39,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:39,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:34:39,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073407915] [2022-10-15 21:34:39,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:39,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:39,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:39,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:39,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:39,233 INFO L87 Difference]: Start difference. First operand 31709 states and 44716 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:34:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:41,823 INFO L93 Difference]: Finished difference Result 57584 states and 81903 transitions. [2022-10-15 21:34:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:34:41,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 118 [2022-10-15 21:34:41,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:41,926 INFO L225 Difference]: With dead ends: 57584 [2022-10-15 21:34:41,927 INFO L226 Difference]: Without dead ends: 25903 [2022-10-15 21:34:42,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:34:42,003 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 520 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:42,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1728 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:34:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25903 states. [2022-10-15 21:34:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25903 to 23593. [2022-10-15 21:34:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23593 states, 19450 states have (on average 1.34586118251928) internal successors, (26177), 19618 states have internal predecessors, (26177), 2982 states have call successors, (2982), 1184 states have call predecessors, (2982), 1150 states have return successors, (2982), 2855 states have call predecessors, (2982), 2982 states have call successors, (2982) [2022-10-15 21:34:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23593 states to 23593 states and 32141 transitions. [2022-10-15 21:34:43,587 INFO L78 Accepts]: Start accepts. Automaton has 23593 states and 32141 transitions. Word has length 118 [2022-10-15 21:34:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:43,587 INFO L495 AbstractCegarLoop]: Abstraction has 23593 states and 32141 transitions. [2022-10-15 21:34:43,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:34:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23593 states and 32141 transitions. [2022-10-15 21:34:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-15 21:34:43,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:43,602 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:34:43,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:34:43,603 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:34:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash -150427409, now seen corresponding path program 1 times [2022-10-15 21:34:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:43,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905002777] [2022-10-15 21:34:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat