/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-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:10:21,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:10:21,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:10:21,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:10:21,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:10:21,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:10:21,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:10:21,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:10:21,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:10:21,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:10:21,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:10:21,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:10:21,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:10:21,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:10:21,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:10:21,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:10:21,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:10:21,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:10:21,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:10:21,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:10:21,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:10:21,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:10:21,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:10:21,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:10:21,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:10:21,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:10:21,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:10:21,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:10:21,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:10:21,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:10:21,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:10:21,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:10:21,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:10:21,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:10:21,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:10:21,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:10:21,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:10:21,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:10:21,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:10:21,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:10:21,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:10:21,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:10:21,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:10:21,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:10:21,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:10:21,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:10:21,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:10:21,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:10:21,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:10:21,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:10:21,727 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:10:21,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:10:21,727 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:10:21,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:10:21,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:10:21,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:10:21,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:10:21,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:10:21,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:10:21,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:10:21,729 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:10:21,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:10:21,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:10:21,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:10:21,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:10:21,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:10:21,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:10:21,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:10:21,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:10:21,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:10:21,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:10:21,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:10:21,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:10:21,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:10:21,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:10:21,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:10:22,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:10:22,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:10:22,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:10:22,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:10:22,227 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:10:22,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:10:22,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fcfe4ff/a229fd4d6aba412c93695b034d0b4b53/FLAGb070b7da7 [2022-10-16 14:10:23,249 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:10:23,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:10:23,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fcfe4ff/a229fd4d6aba412c93695b034d0b4b53/FLAGb070b7da7 [2022-10-16 14:10:23,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fcfe4ff/a229fd4d6aba412c93695b034d0b4b53 [2022-10-16 14:10:23,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:10:23,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:10:23,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:10:23,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:10:23,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:10:23,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:10:23" (1/1) ... [2022-10-16 14:10:23,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc80987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:23, skipping insertion in model container [2022-10-16 14:10:23,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:10:23" (1/1) ... [2022-10-16 14:10:23,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:10:23,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:10:24,879 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-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2022-10-16 14:10:24,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:10:24,966 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:10:25,266 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-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2022-10-16 14:10:25,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:10:25,368 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:10:25,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25 WrapperNode [2022-10-16 14:10:25,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:10:25,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:10:25,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:10:25,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:10:25,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,620 INFO L138 Inliner]: procedures = 94, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1810 [2022-10-16 14:10:25,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:10:25,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:10:25,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:10:25,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:10:25,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:10:25,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:10:25,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:10:25,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:10:25,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (1/1) ... [2022-10-16 14:10:25,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:10:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:10:25,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:10:25,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:10:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:10:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:10:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:10:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-10-16 14:10:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-10-16 14:10:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-10-16 14:10:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-10-16 14:10:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:10:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:10:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:10:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:10:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:10:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-10-16 14:10:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-10-16 14:10:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-10-16 14:10:25,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-10-16 14:10:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-16 14:10:25,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-16 14:10:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:10:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 14:10:25,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 14:10:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-10-16 14:10:25,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-10-16 14:10:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:10:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:10:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:10:25,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 14:10:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-10-16 14:10:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-10-16 14:10:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-16 14:10:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-16 14:10:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-16 14:10:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-16 14:10:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-10-16 14:10:25,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-10-16 14:10:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-10-16 14:10:25,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-10-16 14:10:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-10-16 14:10:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-10-16 14:10:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-16 14:10:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-16 14:10:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:10:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:10:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:10:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-10-16 14:10:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-10-16 14:10:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:10:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-10-16 14:10:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-10-16 14:10:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:10:25,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:10:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-16 14:10:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-16 14:10:26,529 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:10:26,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:10:26,600 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:10:28,307 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:10:28,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:10:28,321 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:10:28,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:10:28 BoogieIcfgContainer [2022-10-16 14:10:28,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:10:28,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:10:28,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:10:28,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:10:28,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:10:23" (1/3) ... [2022-10-16 14:10:28,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b10953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:10:28, skipping insertion in model container [2022-10-16 14:10:28,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:25" (2/3) ... [2022-10-16 14:10:28,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b10953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:10:28, skipping insertion in model container [2022-10-16 14:10:28,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:10:28" (3/3) ... [2022-10-16 14:10:28,335 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:10:28,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:10:28,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 14:10:28,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:10:28,464 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;@49064f78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:10:28,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 14:10:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 296 states have (on average 1.4425675675675675) internal successors, (427), 316 states have internal predecessors, (427), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-10-16 14:10:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 14:10:28,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:28,489 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:28,490 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)] === [2022-10-16 14:10:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:28,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1387611450, now seen corresponding path program 1 times [2022-10-16 14:10:28,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:28,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694775545] [2022-10-16 14:10:28,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-16 14:10:29,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:29,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694775545] [2022-10-16 14:10:29,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694775545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:29,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:29,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:10:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928774264] [2022-10-16 14:10:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:29,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:10:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:29,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:10:29,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:10:29,645 INFO L87 Difference]: Start difference. First operand has 399 states, 296 states have (on average 1.4425675675675675) internal successors, (427), 316 states have internal predecessors, (427), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:10:30,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:30,368 INFO L93 Difference]: Finished difference Result 798 states and 1127 transitions. [2022-10-16 14:10:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:10:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2022-10-16 14:10:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:30,388 INFO L225 Difference]: With dead ends: 798 [2022-10-16 14:10:30,389 INFO L226 Difference]: Without dead ends: 385 [2022-10-16 14:10:30,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:30,401 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 87 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:30,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1643 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:10:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-10-16 14:10:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2022-10-16 14:10:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 299 states have internal predecessors, (407), 62 states have call successors, (62), 20 states have call predecessors, (62), 20 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2022-10-16 14:10:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 531 transitions. [2022-10-16 14:10:30,490 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 531 transitions. Word has length 82 [2022-10-16 14:10:30,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:30,491 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 531 transitions. [2022-10-16 14:10:30,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:10:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 531 transitions. [2022-10-16 14:10:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 14:10:30,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:30,497 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:30,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:10:30,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:30,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1481423436, now seen corresponding path program 1 times [2022-10-16 14:10:30,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:30,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147631622] [2022-10-16 14:10:30,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:30,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:30,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-16 14:10:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:31,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147631622] [2022-10-16 14:10:31,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147631622] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:31,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:31,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:31,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408381335] [2022-10-16 14:10:31,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:31,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:31,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:31,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:31,068 INFO L87 Difference]: Start difference. First operand 381 states and 531 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 14:10:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:32,015 INFO L93 Difference]: Finished difference Result 1057 states and 1481 transitions. [2022-10-16 14:10:32,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:32,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 4 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 82 [2022-10-16 14:10:32,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:32,023 INFO L225 Difference]: With dead ends: 1057 [2022-10-16 14:10:32,023 INFO L226 Difference]: Without dead ends: 696 [2022-10-16 14:10:32,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:32,027 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 558 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:32,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 2028 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:10:32,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-10-16 14:10:32,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 683. [2022-10-16 14:10:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 518 states have (on average 1.4266409266409266) internal successors, (739), 533 states have internal predecessors, (739), 114 states have call successors, (114), 37 states have call predecessors, (114), 37 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2022-10-16 14:10:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 967 transitions. [2022-10-16 14:10:32,123 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 967 transitions. Word has length 82 [2022-10-16 14:10:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:32,124 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 967 transitions. [2022-10-16 14:10:32,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 14:10:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 967 transitions. [2022-10-16 14:10:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 14:10:32,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:32,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:32,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:10:32,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:32,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:32,141 INFO L85 PathProgramCache]: Analyzing trace with hash 60506802, now seen corresponding path program 1 times [2022-10-16 14:10:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:32,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964642328] [2022-10-16 14:10:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-16 14:10:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:32,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964642328] [2022-10-16 14:10:32,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964642328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:32,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:32,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096949794] [2022-10-16 14:10:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:32,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:32,668 INFO L87 Difference]: Start difference. First operand 683 states and 967 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 14:10:33,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:33,335 INFO L93 Difference]: Finished difference Result 1469 states and 2070 transitions. [2022-10-16 14:10:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:33,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (8), 4 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 91 [2022-10-16 14:10:33,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:33,343 INFO L225 Difference]: With dead ends: 1469 [2022-10-16 14:10:33,343 INFO L226 Difference]: Without dead ends: 806 [2022-10-16 14:10:33,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:33,347 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 226 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:33,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1557 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:10:33,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2022-10-16 14:10:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 796. [2022-10-16 14:10:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 615 states have (on average 1.424390243902439) internal successors, (876), 630 states have internal predecessors, (876), 122 states have call successors, (122), 45 states have call predecessors, (122), 45 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2022-10-16 14:10:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1120 transitions. [2022-10-16 14:10:33,422 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1120 transitions. Word has length 91 [2022-10-16 14:10:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:33,423 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 1120 transitions. [2022-10-16 14:10:33,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 14:10:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1120 transitions. [2022-10-16 14:10:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 14:10:33,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:33,433 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:33,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:10:33,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:33,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1215453035, now seen corresponding path program 1 times [2022-10-16 14:10:33,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:33,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612179393] [2022-10-16 14:10:33,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:10:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-16 14:10:34,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:34,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612179393] [2022-10-16 14:10:34,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612179393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:34,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:34,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:34,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411758329] [2022-10-16 14:10:34,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:34,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:34,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:34,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:34,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:34,006 INFO L87 Difference]: Start difference. First operand 796 states and 1120 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 14:10:34,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:34,777 INFO L93 Difference]: Finished difference Result 2137 states and 3120 transitions. [2022-10-16 14:10:34,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:10:34,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (9), 4 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 115 [2022-10-16 14:10:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:34,793 INFO L225 Difference]: With dead ends: 2137 [2022-10-16 14:10:34,793 INFO L226 Difference]: Without dead ends: 1375 [2022-10-16 14:10:34,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:10:34,800 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 1010 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:34,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1899 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:10:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2022-10-16 14:10:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 780. [2022-10-16 14:10:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 601 states have (on average 1.4259567387687189) internal successors, (857), 617 states have internal predecessors, (857), 121 states have call successors, (121), 44 states have call predecessors, (121), 44 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2022-10-16 14:10:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1099 transitions. [2022-10-16 14:10:34,901 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1099 transitions. Word has length 115 [2022-10-16 14:10:34,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:34,904 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1099 transitions. [2022-10-16 14:10:34,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 14:10:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1099 transitions. [2022-10-16 14:10:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 14:10:34,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:34,908 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:34,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:10:34,911 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)] === [2022-10-16 14:10:34,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:34,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2052164086, now seen corresponding path program 1 times [2022-10-16 14:10:34,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:34,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558676762] [2022-10-16 14:10:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:35,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:35,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558676762] [2022-10-16 14:10:35,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558676762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:35,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:35,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:35,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841991587] [2022-10-16 14:10:35,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:35,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:35,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:35,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:35,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:35,558 INFO L87 Difference]: Start difference. First operand 780 states and 1099 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:10:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:36,160 INFO L93 Difference]: Finished difference Result 1530 states and 2166 transitions. [2022-10-16 14:10:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:36,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 152 [2022-10-16 14:10:36,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:36,167 INFO L225 Difference]: With dead ends: 1530 [2022-10-16 14:10:36,167 INFO L226 Difference]: Without dead ends: 784 [2022-10-16 14:10:36,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:10:36,170 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 515 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:36,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1506 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:10:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-10-16 14:10:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 780. [2022-10-16 14:10:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 601 states have (on average 1.399334442595674) internal successors, (841), 617 states have internal predecessors, (841), 121 states have call successors, (121), 44 states have call predecessors, (121), 44 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2022-10-16 14:10:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1083 transitions. [2022-10-16 14:10:36,245 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1083 transitions. Word has length 152 [2022-10-16 14:10:36,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:36,246 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1083 transitions. [2022-10-16 14:10:36,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:10:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1083 transitions. [2022-10-16 14:10:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 14:10:36,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:36,250 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:36,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:10:36,250 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:36,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:36,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1448486276, now seen corresponding path program 1 times [2022-10-16 14:10:36,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:36,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420197429] [2022-10-16 14:10:36,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:36,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:36,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:36,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420197429] [2022-10-16 14:10:36,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420197429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:36,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:36,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:10:36,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229582839] [2022-10-16 14:10:36,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:36,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:36,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:36,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:36,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:36,867 INFO L87 Difference]: Start difference. First operand 780 states and 1083 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:10:37,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:37,722 INFO L93 Difference]: Finished difference Result 1508 states and 2112 transitions. [2022-10-16 14:10:37,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:37,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 152 [2022-10-16 14:10:37,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:37,732 INFO L225 Difference]: With dead ends: 1508 [2022-10-16 14:10:37,732 INFO L226 Difference]: Without dead ends: 1504 [2022-10-16 14:10:37,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:37,734 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 553 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:37,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 1662 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:10:37,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-10-16 14:10:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1492. [2022-10-16 14:10:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1162 states have (on average 1.4018932874354562) internal successors, (1629), 1187 states have internal predecessors, (1629), 234 states have call successors, (234), 84 states have call predecessors, (234), 82 states have return successors, (234), 224 states have call predecessors, (234), 234 states have call successors, (234) [2022-10-16 14:10:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2097 transitions. [2022-10-16 14:10:37,863 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2097 transitions. Word has length 152 [2022-10-16 14:10:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:37,864 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2097 transitions. [2022-10-16 14:10:37,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:10:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2097 transitions. [2022-10-16 14:10:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-16 14:10:37,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:37,868 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:37,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:10:37,869 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:37,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:37,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1945452474, now seen corresponding path program 1 times [2022-10-16 14:10:37,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:37,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116248273] [2022-10-16 14:10:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:37,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:38,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:38,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116248273] [2022-10-16 14:10:38,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116248273] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:38,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:38,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:38,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956364216] [2022-10-16 14:10:38,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:38,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:38,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:38,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:38,536 INFO L87 Difference]: Start difference. First operand 1492 states and 2097 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 14:10:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:39,631 INFO L93 Difference]: Finished difference Result 4410 states and 6212 transitions. [2022-10-16 14:10:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:10:39,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 157 [2022-10-16 14:10:39,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:39,652 INFO L225 Difference]: With dead ends: 4410 [2022-10-16 14:10:39,652 INFO L226 Difference]: Without dead ends: 2952 [2022-10-16 14:10:39,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:10:39,662 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 750 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2621 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:39,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 2621 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:10:39,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2022-10-16 14:10:39,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 1500. [2022-10-16 14:10:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1170 states have (on average 1.399145299145299) internal successors, (1637), 1195 states have internal predecessors, (1637), 234 states have call successors, (234), 84 states have call predecessors, (234), 82 states have return successors, (234), 224 states have call predecessors, (234), 234 states have call successors, (234) [2022-10-16 14:10:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2105 transitions. [2022-10-16 14:10:39,835 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2105 transitions. Word has length 157 [2022-10-16 14:10:39,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:39,836 INFO L495 AbstractCegarLoop]: Abstraction has 1500 states and 2105 transitions. [2022-10-16 14:10:39,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 14:10:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2105 transitions. [2022-10-16 14:10:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-16 14:10:39,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:39,840 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:39,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:10:39,841 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)] === [2022-10-16 14:10:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1031326303, now seen corresponding path program 1 times [2022-10-16 14:10:39,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:39,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373817851] [2022-10-16 14:10:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:10:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:10:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:10:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:10:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:40,447 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:10:40,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:40,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373817851] [2022-10-16 14:10:40,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373817851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:40,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:40,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:10:40,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406590835] [2022-10-16 14:10:40,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:40,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:40,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:40,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:40,451 INFO L87 Difference]: Start difference. First operand 1500 states and 2105 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:10:41,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:41,575 INFO L93 Difference]: Finished difference Result 2970 states and 4178 transitions. [2022-10-16 14:10:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:41,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 164 [2022-10-16 14:10:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:41,594 INFO L225 Difference]: With dead ends: 2970 [2022-10-16 14:10:41,594 INFO L226 Difference]: Without dead ends: 2960 [2022-10-16 14:10:41,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:41,597 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 579 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:41,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 1950 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:10:41,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2022-10-16 14:10:41,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2952. [2022-10-16 14:10:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2952 states, 2318 states have (on average 1.3869715271786023) internal successors, (3215), 2355 states have internal predecessors, (3215), 460 states have call successors, (460), 164 states have call predecessors, (460), 160 states have return successors, (460), 440 states have call predecessors, (460), 460 states have call successors, (460) [2022-10-16 14:10:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 4135 transitions. [2022-10-16 14:10:41,859 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 4135 transitions. Word has length 164 [2022-10-16 14:10:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:41,860 INFO L495 AbstractCegarLoop]: Abstraction has 2952 states and 4135 transitions. [2022-10-16 14:10:41,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:10:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 4135 transitions. [2022-10-16 14:10:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 14:10:41,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:41,865 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:41,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:10:41,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 446728512, now seen corresponding path program 1 times [2022-10-16 14:10:41,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:41,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747195440] [2022-10-16 14:10:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 14:10:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:42,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:42,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747195440] [2022-10-16 14:10:42,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747195440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:42,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:42,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:42,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849169810] [2022-10-16 14:10:42,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:42,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:42,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:42,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:42,631 INFO L87 Difference]: Start difference. First operand 2952 states and 4135 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:10:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:43,600 INFO L93 Difference]: Finished difference Result 7456 states and 10782 transitions. [2022-10-16 14:10:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:10:43,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 171 [2022-10-16 14:10:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:43,630 INFO L225 Difference]: With dead ends: 7456 [2022-10-16 14:10:43,631 INFO L226 Difference]: Without dead ends: 4538 [2022-10-16 14:10:43,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:10:43,638 INFO L413 NwaCegarLoop]: 794 mSDtfsCounter, 432 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:43,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2273 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:10:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-10-16 14:10:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 2964. [2022-10-16 14:10:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2330 states have (on average 1.3815450643776823) internal successors, (3219), 2367 states have internal predecessors, (3219), 460 states have call successors, (460), 164 states have call predecessors, (460), 160 states have return successors, (460), 440 states have call predecessors, (460), 460 states have call successors, (460) [2022-10-16 14:10:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4139 transitions. [2022-10-16 14:10:43,951 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4139 transitions. Word has length 171 [2022-10-16 14:10:43,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:43,952 INFO L495 AbstractCegarLoop]: Abstraction has 2964 states and 4139 transitions. [2022-10-16 14:10:43,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:10:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4139 transitions. [2022-10-16 14:10:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 14:10:43,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:43,958 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:43,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:10:43,958 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)] === [2022-10-16 14:10:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash 53701502, now seen corresponding path program 1 times [2022-10-16 14:10:43,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:43,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195182329] [2022-10-16 14:10:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:43,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 14:10:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:44,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195182329] [2022-10-16 14:10:44,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195182329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:44,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:44,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51031202] [2022-10-16 14:10:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:44,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:10:44,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:44,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:10:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:10:44,894 INFO L87 Difference]: Start difference. First operand 2964 states and 4139 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:10:46,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:46,593 INFO L93 Difference]: Finished difference Result 4468 states and 6226 transitions. [2022-10-16 14:10:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:10:46,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 171 [2022-10-16 14:10:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:46,623 INFO L225 Difference]: With dead ends: 4468 [2022-10-16 14:10:46,624 INFO L226 Difference]: Without dead ends: 4466 [2022-10-16 14:10:46,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:10:46,628 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1200 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:46,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 2408 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 14:10:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2022-10-16 14:10:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4440. [2022-10-16 14:10:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4440 states, 3500 states have (on average 1.3802857142857143) internal successors, (4831), 3543 states have internal predecessors, (4831), 686 states have call successors, (686), 244 states have call predecessors, (686), 240 states have return successors, (686), 664 states have call predecessors, (686), 686 states have call successors, (686) [2022-10-16 14:10:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4440 states to 4440 states and 6203 transitions. [2022-10-16 14:10:47,069 INFO L78 Accepts]: Start accepts. Automaton has 4440 states and 6203 transitions. Word has length 171 [2022-10-16 14:10:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:47,070 INFO L495 AbstractCegarLoop]: Abstraction has 4440 states and 6203 transitions. [2022-10-16 14:10:47,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:10:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4440 states and 6203 transitions. [2022-10-16 14:10:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 14:10:47,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:47,075 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:47,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:10:47,077 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1664746652, now seen corresponding path program 1 times [2022-10-16 14:10:47,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:47,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447655276] [2022-10-16 14:10:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:10:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:10:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:10:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 14:10:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:10:47,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:47,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447655276] [2022-10-16 14:10:47,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447655276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:47,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:47,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:47,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888395053] [2022-10-16 14:10:47,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:47,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:10:47,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:47,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:10:47,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:10:47,986 INFO L87 Difference]: Start difference. First operand 4440 states and 6203 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:10:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:50,104 INFO L93 Difference]: Finished difference Result 7334 states and 10270 transitions. [2022-10-16 14:10:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:10:50,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 172 [2022-10-16 14:10:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:50,171 INFO L225 Difference]: With dead ends: 7334 [2022-10-16 14:10:50,171 INFO L226 Difference]: Without dead ends: 7332 [2022-10-16 14:10:50,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:10:50,178 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 1143 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3701 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:50,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3701 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 14:10:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7332 states. [2022-10-16 14:10:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7332 to 7252. [2022-10-16 14:10:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7252 states, 5744 states have (on average 1.3842270194986073) internal successors, (7951), 5815 states have internal predecessors, (7951), 1106 states have call successors, (1106), 396 states have call predecessors, (1106), 388 states have return successors, (1106), 1060 states have call predecessors, (1106), 1106 states have call successors, (1106) [2022-10-16 14:10:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7252 states to 7252 states and 10163 transitions. [2022-10-16 14:10:50,775 INFO L78 Accepts]: Start accepts. Automaton has 7252 states and 10163 transitions. Word has length 172 [2022-10-16 14:10:50,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:50,776 INFO L495 AbstractCegarLoop]: Abstraction has 7252 states and 10163 transitions. [2022-10-16 14:10:50,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:10:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 7252 states and 10163 transitions. [2022-10-16 14:10:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 14:10:50,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:50,782 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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] [2022-10-16 14:10:50,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:10:50,782 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:50,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:50,783 INFO L85 PathProgramCache]: Analyzing trace with hash 134636988, now seen corresponding path program 1 times [2022-10-16 14:10:50,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:50,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664547954] [2022-10-16 14:10:50,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:50,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:10:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:10:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:10:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:10:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:10:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 14:10:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:10:51,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:51,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664547954] [2022-10-16 14:10:51,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664547954] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:51,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:51,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697398306] [2022-10-16 14:10:51,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:51,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:51,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:51,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:51,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:51,294 INFO L87 Difference]: Start difference. First operand 7252 states and 10163 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:10:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:52,612 INFO L93 Difference]: Finished difference Result 16038 states and 22577 transitions. [2022-10-16 14:10:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:52,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 176 [2022-10-16 14:10:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:52,651 INFO L225 Difference]: With dead ends: 16038 [2022-10-16 14:10:52,651 INFO L226 Difference]: Without dead ends: 8820 [2022-10-16 14:10:52,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:52,675 INFO L413 NwaCegarLoop]: 928 mSDtfsCounter, 517 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:52,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1923 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:10:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8820 states. [2022-10-16 14:10:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8820 to 8788. [2022-10-16 14:10:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8788 states, 6977 states have (on average 1.377382829296259) internal successors, (9610), 7060 states have internal predecessors, (9610), 1338 states have call successors, (1338), 469 states have call predecessors, (1338), 459 states have return successors, (1338), 1283 states have call predecessors, (1338), 1338 states have call successors, (1338) [2022-10-16 14:10:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8788 states to 8788 states and 12286 transitions. [2022-10-16 14:10:53,495 INFO L78 Accepts]: Start accepts. Automaton has 8788 states and 12286 transitions. Word has length 176 [2022-10-16 14:10:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:53,496 INFO L495 AbstractCegarLoop]: Abstraction has 8788 states and 12286 transitions. [2022-10-16 14:10:53,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:10:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8788 states and 12286 transitions. [2022-10-16 14:10:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 14:10:53,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:53,502 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:53,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:10:53,502 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:53,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:53,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1680643227, now seen corresponding path program 1 times [2022-10-16 14:10:53,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:53,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903229987] [2022-10-16 14:10:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:10:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:10:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:10:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:10:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:10:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:53,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903229987] [2022-10-16 14:10:53,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903229987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:53,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:53,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:53,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905070975] [2022-10-16 14:10:53,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:53,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:53,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:53,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:53,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:53,987 INFO L87 Difference]: Start difference. First operand 8788 states and 12286 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:10:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:55,686 INFO L93 Difference]: Finished difference Result 15848 states and 22265 transitions. [2022-10-16 14:10:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:55,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 175 [2022-10-16 14:10:55,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:55,732 INFO L225 Difference]: With dead ends: 15848 [2022-10-16 14:10:55,732 INFO L226 Difference]: Without dead ends: 10536 [2022-10-16 14:10:55,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:55,754 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 480 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:55,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 3197 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:10:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10536 states. [2022-10-16 14:10:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10536 to 10514. [2022-10-16 14:10:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10514 states, 8360 states have (on average 1.3778708133971291) internal successors, (11519), 8455 states have internal predecessors, (11519), 1590 states have call successors, (1590), 562 states have call predecessors, (1590), 550 states have return successors, (1590), 1526 states have call predecessors, (1590), 1590 states have call successors, (1590) [2022-10-16 14:10:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10514 states to 10514 states and 14699 transitions. [2022-10-16 14:10:56,510 INFO L78 Accepts]: Start accepts. Automaton has 10514 states and 14699 transitions. Word has length 175 [2022-10-16 14:10:56,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:56,511 INFO L495 AbstractCegarLoop]: Abstraction has 10514 states and 14699 transitions. [2022-10-16 14:10:56,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:10:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 10514 states and 14699 transitions. [2022-10-16 14:10:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-16 14:10:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:56,518 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:56,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:10:56,519 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:10:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash -2021796630, now seen corresponding path program 1 times [2022-10-16 14:10:56,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070026284] [2022-10-16 14:10:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:10:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:10:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:10:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:10:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:10:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:10:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:10:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 14:10:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:10:57,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:57,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070026284] [2022-10-16 14:10:57,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070026284] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:10:57,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889796797] [2022-10-16 14:10:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:57,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:10:57,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:10:57,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:10:57,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:10:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:57,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:10:57,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:10:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 168 proven. 9 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-16 14:10:57,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:10:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:10:58,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889796797] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:10:58,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:10:58,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-10-16 14:10:58,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677590997] [2022-10-16 14:10:58,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:10:58,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:10:58,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:10:58,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:10:58,274 INFO L87 Difference]: Start difference. First operand 10514 states and 14699 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 7 states have internal predecessors, (155), 6 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-10-16 14:11:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:01,946 INFO L93 Difference]: Finished difference Result 28544 states and 40044 transitions. [2022-10-16 14:11:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 14:11:01,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 7 states have internal predecessors, (155), 6 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 180 [2022-10-16 14:11:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:02,069 INFO L225 Difference]: With dead ends: 28544 [2022-10-16 14:11:02,069 INFO L226 Difference]: Without dead ends: 28539 [2022-10-16 14:11:02,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=241, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:11:02,080 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 2864 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:02,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3107 Valid, 2694 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 14:11:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28539 states. [2022-10-16 14:11:03,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28539 to 21405. [2022-10-16 14:11:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21405 states, 17045 states have (on average 1.3754180111469638) internal successors, (23444), 17221 states have internal predecessors, (23444), 3232 states have call successors, (3232), 1139 states have call predecessors, (3232), 1117 states have return successors, (3232), 3105 states have call predecessors, (3232), 3232 states have call successors, (3232) [2022-10-16 14:11:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21405 states to 21405 states and 29908 transitions. [2022-10-16 14:11:03,807 INFO L78 Accepts]: Start accepts. Automaton has 21405 states and 29908 transitions. Word has length 180 [2022-10-16 14:11:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:03,808 INFO L495 AbstractCegarLoop]: Abstraction has 21405 states and 29908 transitions. [2022-10-16 14:11:03,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 7 states have internal predecessors, (155), 6 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-10-16 14:11:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 21405 states and 29908 transitions. [2022-10-16 14:11:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 14:11:03,815 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:03,816 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:03,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:11:04,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 14:11:04,031 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:04,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1748814820, now seen corresponding path program 1 times [2022-10-16 14:11:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:04,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780073110] [2022-10-16 14:11:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:11:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:11:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:11:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:11:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 14:11:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 14:11:05,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:05,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780073110] [2022-10-16 14:11:05,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780073110] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:11:05,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243474414] [2022-10-16 14:11:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:05,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:05,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:11:05,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:11:05,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:11:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:05,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2945 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:11:05,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:11:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-16 14:11:05,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:11:05,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243474414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:05,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:11:05,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 14:11:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467538522] [2022-10-16 14:11:05,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:05,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:11:05,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:05,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:11:05,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:05,966 INFO L87 Difference]: Start difference. First operand 21405 states and 29908 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-16 14:11:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:08,358 INFO L93 Difference]: Finished difference Result 34034 states and 47558 transitions. [2022-10-16 14:11:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:11:08,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 181 [2022-10-16 14:11:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:08,551 INFO L225 Difference]: With dead ends: 34034 [2022-10-16 14:11:08,552 INFO L226 Difference]: Without dead ends: 34029 [2022-10-16 14:11:08,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:08,565 INFO L413 NwaCegarLoop]: 1018 mSDtfsCounter, 925 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:08,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 1943 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:11:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34029 states. [2022-10-16 14:11:10,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34029 to 32091. [2022-10-16 14:11:10,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32091 states, 25543 states have (on average 1.372039306267862) internal successors, (35046), 25757 states have internal predecessors, (35046), 4854 states have call successors, (4854), 1705 states have call predecessors, (4854), 1683 states have return successors, (4854), 4719 states have call predecessors, (4854), 4854 states have call successors, (4854) [2022-10-16 14:11:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32091 states to 32091 states and 44754 transitions. [2022-10-16 14:11:11,098 INFO L78 Accepts]: Start accepts. Automaton has 32091 states and 44754 transitions. Word has length 181 [2022-10-16 14:11:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:11,101 INFO L495 AbstractCegarLoop]: Abstraction has 32091 states and 44754 transitions. [2022-10-16 14:11:11,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-16 14:11:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32091 states and 44754 transitions. [2022-10-16 14:11:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 14:11:11,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:11,115 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:11,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:11:11,329 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,SelfDestructingSolverStorable14 [2022-10-16 14:11:11,329 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:11,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:11,331 INFO L85 PathProgramCache]: Analyzing trace with hash -584539535, now seen corresponding path program 1 times [2022-10-16 14:11:11,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:11,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236871861] [2022-10-16 14:11:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:11,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:11:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:11:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:11:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 14:11:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 14:11:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:11:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-10-16 14:11:11,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236871861] [2022-10-16 14:11:11,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236871861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:11,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:11,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:11:11,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181977107] [2022-10-16 14:11:11,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:11,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:11:11,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:11:11,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:11,939 INFO L87 Difference]: Start difference. First operand 32091 states and 44754 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:11:14,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:14,729 INFO L93 Difference]: Finished difference Result 58091 states and 81626 transitions. [2022-10-16 14:11:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:11:14,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 187 [2022-10-16 14:11:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:14,874 INFO L225 Difference]: With dead ends: 58091 [2022-10-16 14:11:14,874 INFO L226 Difference]: Without dead ends: 26034 [2022-10-16 14:11:14,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:11:14,962 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 506 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:14,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 2042 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:11:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26034 states. [2022-10-16 14:11:16,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26034 to 23864. [2022-10-16 14:11:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23864 states, 19746 states have (on average 1.3376886458016815) internal successors, (26414), 19875 states have internal predecessors, (26414), 2867 states have call successors, (2867), 1274 states have call predecessors, (2867), 1240 states have return successors, (2867), 2780 states have call predecessors, (2867), 2867 states have call successors, (2867) [2022-10-16 14:11:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23864 states to 23864 states and 32148 transitions. [2022-10-16 14:11:16,836 INFO L78 Accepts]: Start accepts. Automaton has 23864 states and 32148 transitions. Word has length 187 [2022-10-16 14:11:16,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:16,837 INFO L495 AbstractCegarLoop]: Abstraction has 23864 states and 32148 transitions. [2022-10-16 14:11:16,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:11:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 23864 states and 32148 transitions. [2022-10-16 14:11:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-16 14:11:16,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:16,849 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:16,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 14:11:16,849 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:16,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash -368268202, now seen corresponding path program 1 times [2022-10-16 14:11:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:16,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752837078] [2022-10-16 14:11:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:16,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:11:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:11:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:11:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:11:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 14:11:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752837078] [2022-10-16 14:11:18,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752837078] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:11:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295352328] [2022-10-16 14:11:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:18,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:11:18,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:11:18,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:11:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:18,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:11:18,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:11:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:18,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:11:18,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295352328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:18,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:11:18,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2022-10-16 14:11:18,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863609114] [2022-10-16 14:11:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:18,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:11:18,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:18,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:11:18,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:11:18,782 INFO L87 Difference]: Start difference. First operand 23864 states and 32148 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:11:20,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:20,474 INFO L93 Difference]: Finished difference Result 23864 states and 32148 transitions. [2022-10-16 14:11:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:11:20,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 197 [2022-10-16 14:11:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:20,551 INFO L225 Difference]: With dead ends: 23864 [2022-10-16 14:11:20,551 INFO L226 Difference]: Without dead ends: 23863 [2022-10-16 14:11:20,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:11:20,563 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 487 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:20,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 510 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:11:20,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23863 states. [2022-10-16 14:11:22,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23863 to 23863. [2022-10-16 14:11:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23863 states, 19746 states have (on average 1.3367770687734224) internal successors, (26396), 19874 states have internal predecessors, (26396), 2867 states have call successors, (2867), 1274 states have call predecessors, (2867), 1240 states have return successors, (2867), 2780 states have call predecessors, (2867), 2867 states have call successors, (2867) [2022-10-16 14:11:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23863 states to 23863 states and 32130 transitions. [2022-10-16 14:11:22,698 INFO L78 Accepts]: Start accepts. Automaton has 23863 states and 32130 transitions. Word has length 197 [2022-10-16 14:11:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:22,699 INFO L495 AbstractCegarLoop]: Abstraction has 23863 states and 32130 transitions. [2022-10-16 14:11:22,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:11:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 23863 states and 32130 transitions. [2022-10-16 14:11:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-16 14:11:22,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:22,710 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 14:11:22,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:11:22,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:22,927 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:22,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1471477980, now seen corresponding path program 1 times [2022-10-16 14:11:22,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:22,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10660720] [2022-10-16 14:11:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:22,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:11:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:11:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:11:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 14:11:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:24,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:24,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10660720] [2022-10-16 14:11:24,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10660720] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:11:24,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239579330] [2022-10-16 14:11:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:24,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:24,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:11:24,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:11:24,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:11:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:24,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:11:24,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:11:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:24,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:11:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:25,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239579330] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:11:25,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:11:25,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 4] total 12 [2022-10-16 14:11:25,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489157155] [2022-10-16 14:11:25,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:11:25,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:11:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:11:25,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:11:25,239 INFO L87 Difference]: Start difference. First operand 23863 states and 32130 transitions. Second operand has 13 states, 12 states have (on average 20.333333333333332) internal successors, (244), 9 states have internal predecessors, (244), 6 states have call successors, (37), 8 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-10-16 14:11:31,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:31,703 INFO L93 Difference]: Finished difference Result 57140 states and 77092 transitions. [2022-10-16 14:11:31,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-16 14:11:31,704 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 20.333333333333332) internal successors, (244), 9 states have internal predecessors, (244), 6 states have call successors, (37), 8 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 197 [2022-10-16 14:11:31,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:31,892 INFO L225 Difference]: With dead ends: 57140 [2022-10-16 14:11:31,892 INFO L226 Difference]: Without dead ends: 57138 [2022-10-16 14:11:31,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=637, Unknown=0, NotChecked=0, Total=930 [2022-10-16 14:11:31,912 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 4970 mSDsluCounter, 2687 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 1861 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5250 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 3872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1861 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:31,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5250 Valid, 3466 Invalid, 3872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1861 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 14:11:31,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57138 states. [2022-10-16 14:11:35,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57138 to 54036. [2022-10-16 14:11:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54036 states, 44962 states have (on average 1.3355945020239313) internal successors, (60051), 45213 states have internal predecessors, (60051), 6321 states have call successors, (6321), 2795 states have call predecessors, (6321), 2744 states have return successors, (6321), 6181 states have call predecessors, (6321), 6321 states have call successors, (6321) [2022-10-16 14:11:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54036 states to 54036 states and 72693 transitions. [2022-10-16 14:11:36,185 INFO L78 Accepts]: Start accepts. Automaton has 54036 states and 72693 transitions. Word has length 197 [2022-10-16 14:11:36,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:36,185 INFO L495 AbstractCegarLoop]: Abstraction has 54036 states and 72693 transitions. [2022-10-16 14:11:36,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 20.333333333333332) internal successors, (244), 9 states have internal predecessors, (244), 6 states have call successors, (37), 8 states have call predecessors, (37), 3 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-10-16 14:11:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54036 states and 72693 transitions. [2022-10-16 14:11:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-16 14:11:36,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:36,199 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:36,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 14:11:36,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:11:36,414 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1982380732, now seen corresponding path program 1 times [2022-10-16 14:11:36,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:36,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298690997] [2022-10-16 14:11:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:11:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:11:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:11:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:11:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 14:11:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-10-16 14:11:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 14:11:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-10-16 14:11:37,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:37,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298690997] [2022-10-16 14:11:37,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298690997] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:11:37,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251287920] [2022-10-16 14:11:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:37,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:11:37,751 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:11:37,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:11:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:38,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 3088 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:11:38,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:11:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:11:38,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:11:38,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251287920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:38,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:11:38,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-10-16 14:11:38,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898762067] [2022-10-16 14:11:38,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:38,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:11:38,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:38,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:11:38,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:11:38,493 INFO L87 Difference]: Start difference. First operand 54036 states and 72693 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 14:11:45,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:45,678 INFO L93 Difference]: Finished difference Result 151666 states and 202566 transitions. [2022-10-16 14:11:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:11:45,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 207 [2022-10-16 14:11:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:46,074 INFO L225 Difference]: With dead ends: 151666 [2022-10-16 14:11:46,075 INFO L226 Difference]: Without dead ends: 103470 [2022-10-16 14:11:46,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:11:46,182 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 691 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:46,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 2957 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:11:46,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103470 states. [2022-10-16 14:11:51,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103470 to 54498. [2022-10-16 14:11:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54498 states, 45270 states have (on average 1.3367130550033135) internal successors, (60513), 45521 states have internal predecessors, (60513), 6475 states have call successors, (6475), 2795 states have call predecessors, (6475), 2744 states have return successors, (6475), 6335 states have call predecessors, (6475), 6475 states have call successors, (6475) [2022-10-16 14:11:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54498 states to 54498 states and 73463 transitions. [2022-10-16 14:11:51,486 INFO L78 Accepts]: Start accepts. Automaton has 54498 states and 73463 transitions. Word has length 207 [2022-10-16 14:11:51,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:51,487 INFO L495 AbstractCegarLoop]: Abstraction has 54498 states and 73463 transitions. [2022-10-16 14:11:51,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 14:11:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 54498 states and 73463 transitions. [2022-10-16 14:11:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 14:11:51,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:51,495 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:51,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:11:51,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:11:51,697 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:11:51,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:51,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1057791233, now seen corresponding path program 1 times [2022-10-16 14:11:51,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:51,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162774993] [2022-10-16 14:11:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:11:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:11:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:11:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:11:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:11:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:11:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:11:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-10-16 14:11:52,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:52,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162774993] [2022-10-16 14:11:52,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162774993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:52,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:52,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:52,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495775391] [2022-10-16 14:11:52,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:52,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:52,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:52,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:52,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:52,165 INFO L87 Difference]: Start difference. First operand 54498 states and 73463 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:11:57,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:57,623 INFO L93 Difference]: Finished difference Result 101597 states and 136919 transitions. [2022-10-16 14:11:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:11:57,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 206 [2022-10-16 14:11:57,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:57,788 INFO L225 Difference]: With dead ends: 101597 [2022-10-16 14:11:57,789 INFO L226 Difference]: Without dead ends: 52637 [2022-10-16 14:11:57,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:11:57,872 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 473 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:57,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 3166 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:11:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52637 states. [2022-10-16 14:12:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52637 to 52585. [2022-10-16 14:12:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52585 states, 43704 states have (on average 1.3270410031118434) internal successors, (57997), 43950 states have internal predecessors, (57997), 6228 states have call successors, (6228), 2695 states have call predecessors, (6228), 2644 states have return successors, (6228), 6088 states have call predecessors, (6228), 6228 states have call successors, (6228) [2022-10-16 14:12:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52585 states to 52585 states and 70453 transitions. [2022-10-16 14:12:02,431 INFO L78 Accepts]: Start accepts. Automaton has 52585 states and 70453 transitions. Word has length 206 [2022-10-16 14:12:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:02,432 INFO L495 AbstractCegarLoop]: Abstraction has 52585 states and 70453 transitions. [2022-10-16 14:12:02,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:12:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 52585 states and 70453 transitions. [2022-10-16 14:12:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-10-16 14:12:02,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:02,447 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 14:12:02,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 14:12:02,447 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:12:02,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:02,448 INFO L85 PathProgramCache]: Analyzing trace with hash -126402502, now seen corresponding path program 1 times [2022-10-16 14:12:02,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:02,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870415756] [2022-10-16 14:12:02,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:12:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:12:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:12:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:12:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:12:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:12:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:12:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 14:12:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 14:12:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-10-16 14:12:03,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:03,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870415756] [2022-10-16 14:12:03,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870415756] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:12:03,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538757516] [2022-10-16 14:12:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:12:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:12:03,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:12:03,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:12:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:04,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 3174 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:12:04,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:12:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:12:04,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:12:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-10-16 14:12:05,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538757516] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:12:05,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:12:05,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 5] total 15 [2022-10-16 14:12:05,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314052487] [2022-10-16 14:12:05,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:12:05,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:12:05,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:05,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:12:05,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:12:05,042 INFO L87 Difference]: Start difference. First operand 52585 states and 70453 transitions. Second operand has 16 states, 15 states have (on average 18.466666666666665) internal successors, (277), 12 states have internal predecessors, (277), 6 states have call successors, (43), 11 states have call predecessors, (43), 5 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2022-10-16 14:12:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:19,764 INFO L93 Difference]: Finished difference Result 156187 states and 208937 transitions. [2022-10-16 14:12:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:12:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.466666666666665) internal successors, (277), 12 states have internal predecessors, (277), 6 states have call successors, (43), 11 states have call predecessors, (43), 5 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 213 [2022-10-16 14:12:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:20,216 INFO L225 Difference]: With dead ends: 156187 [2022-10-16 14:12:20,217 INFO L226 Difference]: Without dead ends: 156186 [2022-10-16 14:12:20,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=529, Invalid=1277, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:12:20,260 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 4793 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 2390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 5053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2390 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:20,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 3527 Invalid, 5053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2390 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 14:12:20,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156186 states. [2022-10-16 14:12:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156186 to 113847. [2022-10-16 14:12:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113847 states, 94639 states have (on average 1.3300859053878422) internal successors, (125878), 95080 states have internal predecessors, (125878), 13419 states have call successors, (13419), 5830 states have call predecessors, (13419), 5780 states have return successors, (13419), 13246 states have call predecessors, (13419), 13419 states have call successors, (13419) [2022-10-16 14:12:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113847 states to 113847 states and 152716 transitions. [2022-10-16 14:12:31,506 INFO L78 Accepts]: Start accepts. Automaton has 113847 states and 152716 transitions. Word has length 213 [2022-10-16 14:12:31,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:31,506 INFO L495 AbstractCegarLoop]: Abstraction has 113847 states and 152716 transitions. [2022-10-16 14:12:31,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.466666666666665) internal successors, (277), 12 states have internal predecessors, (277), 6 states have call successors, (43), 11 states have call predecessors, (43), 5 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2022-10-16 14:12:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 113847 states and 152716 transitions. [2022-10-16 14:12:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-10-16 14:12:31,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:31,532 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:31,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:12:31,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:12:31,734 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:12:31,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1572492419, now seen corresponding path program 1 times [2022-10-16 14:12:31,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:31,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392352692] [2022-10-16 14:12:31,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:31,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:12:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:12:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:12:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:12:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:12:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:12:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:12:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 14:12:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 14:12:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 14:12:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-16 14:12:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-10-16 14:12:32,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:32,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392352692] [2022-10-16 14:12:32,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392352692] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:12:32,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966666851] [2022-10-16 14:12:32,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:12:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:12:32,815 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:12:32,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:12:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:33,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 3327 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:12:33,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:12:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-10-16 14:12:33,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:12:33,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966666851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:33,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:12:33,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-10-16 14:12:33,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346690648] [2022-10-16 14:12:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:33,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:33,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:33,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:33,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:12:33,587 INFO L87 Difference]: Start difference. First operand 113847 states and 152716 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 14:12:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:54,646 INFO L93 Difference]: Finished difference Result 375000 states and 514798 transitions. [2022-10-16 14:12:54,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:12:54,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 247 [2022-10-16 14:12:54,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:55,769 INFO L225 Difference]: With dead ends: 375000 [2022-10-16 14:12:55,769 INFO L226 Difference]: Without dead ends: 261220 [2022-10-16 14:12:55,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:12:55,952 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 709 mSDsluCounter, 4714 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 5813 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:55,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 5813 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:12:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261220 states. [2022-10-16 14:13:08,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261220 to 113847. [2022-10-16 14:13:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113847 states, 94639 states have (on average 1.3268103001933664) internal successors, (125568), 95080 states have internal predecessors, (125568), 13419 states have call successors, (13419), 5830 states have call predecessors, (13419), 5780 states have return successors, (13419), 13246 states have call predecessors, (13419), 13419 states have call successors, (13419) [2022-10-16 14:13:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113847 states to 113847 states and 152406 transitions. [2022-10-16 14:13:08,805 INFO L78 Accepts]: Start accepts. Automaton has 113847 states and 152406 transitions. Word has length 247 [2022-10-16 14:13:08,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:08,806 INFO L495 AbstractCegarLoop]: Abstraction has 113847 states and 152406 transitions. [2022-10-16 14:13:08,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 14:13:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 113847 states and 152406 transitions. [2022-10-16 14:13:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-10-16 14:13:08,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:08,827 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:08,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:09,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:09,041 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:13:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:09,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1206903541, now seen corresponding path program 1 times [2022-10-16 14:13:09,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:09,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300637106] [2022-10-16 14:13:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:13:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:13:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:13:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:13:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:13:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:13:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:13:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:13:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 14:13:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 14:13:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-16 14:13:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 14:13:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 14:13:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 14:13:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-10-16 14:13:09,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:09,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300637106] [2022-10-16 14:13:09,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300637106] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:09,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11780179] [2022-10-16 14:13:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:09,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:09,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:09,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:09,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:13:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:10,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 3328 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:13:10,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-10-16 14:13:10,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:13:10,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11780179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:10,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:13:10,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-10-16 14:13:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182022732] [2022-10-16 14:13:10,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:10,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:13:10,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:10,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:13:10,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:13:10,999 INFO L87 Difference]: Start difference. First operand 113847 states and 152406 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 14:13:33,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:33,307 INFO L93 Difference]: Finished difference Result 370743 states and 507600 transitions. [2022-10-16 14:13:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:13:33,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 248 [2022-10-16 14:13:33,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:34,353 INFO L225 Difference]: With dead ends: 370743 [2022-10-16 14:13:34,353 INFO L226 Difference]: Without dead ends: 256963 [2022-10-16 14:13:34,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:13:34,521 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 706 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 5815 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:34,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 5815 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:34,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256963 states.