/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:17:52,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:17:52,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:17:52,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:17:52,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:17:52,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:17:52,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:17:52,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:17:52,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:17:52,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:17:52,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:17:52,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:17:52,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:17:52,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:17:52,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:17:52,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:17:52,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:17:52,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:17:52,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:17:52,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:17:52,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:17:52,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:17:52,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:17:52,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:17:52,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:17:52,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:17:52,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:17:52,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:17:52,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:17:52,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:17:52,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:17:52,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:17:52,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:17:52,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:17:52,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:17:52,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:17:52,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:17:52,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:17:52,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:17:52,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:17:52,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:17:52,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:17:52,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:17:52,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:17:52,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:17:52,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:17:52,291 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:17:52,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:17:52,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:17:52,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:17:52,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:17:52,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:17:52,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:17:52,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:17:52,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:17:52,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:17:52,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:17:52,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:17:52,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:17:52,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:17:52,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:17:52,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:17:52,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:17:52,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:17:52,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:17:52,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:17:52,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:17:52,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:17:52,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:17:52,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:17:52,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:17:52,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:17:52,786 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:17:52,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2020-12-22 14:17:52,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf8fa2ff/6e77a48e77d24c9fb08fd66e5bca5d2b/FLAG28cd2b6dd [2020-12-22 14:17:54,057 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:17:54,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2020-12-22 14:17:54,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf8fa2ff/6e77a48e77d24c9fb08fd66e5bca5d2b/FLAG28cd2b6dd [2020-12-22 14:17:54,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf8fa2ff/6e77a48e77d24c9fb08fd66e5bca5d2b [2020-12-22 14:17:54,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:17:54,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:17:54,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:17:54,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:17:54,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:17:54,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:17:54" (1/1) ... [2020-12-22 14:17:54,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3891dce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:17:54, skipping insertion in model container [2020-12-22 14:17:54,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:17:54" (1/1) ... [2020-12-22 14:17:54,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:17:54,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:17:58,840 WARN L226 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2020-12-22 14:17:59,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:17:59,338 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:18:00,026 WARN L226 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2020-12-22 14:18:00,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:18:01,229 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:18:01,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01 WrapperNode [2020-12-22 14:18:01,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:18:01,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:18:01,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:18:01,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:18:01,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:01,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:04,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:18:04,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:18:04,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:18:04,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:18:04,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:04,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:05,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:05,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:06,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:07,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:07,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... [2020-12-22 14:18:07,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:18:07,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:18:07,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:18:07,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:18:07,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:18:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-22 14:18:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2020-12-22 14:18:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2020-12-22 14:18:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2020-12-22 14:18:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2020-12-22 14:18:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 14:18:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2020-12-22 14:18:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2020-12-22 14:18:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:18:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:18:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2020-12-22 14:18:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2020-12-22 14:18:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:18:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:18:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-12-22 14:18:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-12-22 14:18:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:18:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2020-12-22 14:18:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2020-12-22 14:18:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:18:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:18:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:18:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:18:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2020-12-22 14:18:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2020-12-22 14:18:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:18:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:18:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2020-12-22 14:18:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2020-12-22 14:18:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:18:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2020-12-22 14:18:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2020-12-22 14:18:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:18:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2020-12-22 14:18:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2020-12-22 14:20:17,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:20:17,980 INFO L299 CfgBuilder]: Removed 10214 assume(true) statements. [2020-12-22 14:20:17,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:20:17 BoogieIcfgContainer [2020-12-22 14:20:17,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:20:17,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:20:17,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:20:17,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:20:17,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:17:54" (1/3) ... [2020-12-22 14:20:18,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63edaedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:20:18, skipping insertion in model container [2020-12-22 14:20:18,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:18:01" (2/3) ... [2020-12-22 14:20:18,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63edaedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:20:18, skipping insertion in model container [2020-12-22 14:20:18,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:20:17" (3/3) ... [2020-12-22 14:20:18,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2020-12-22 14:20:18,009 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:20:18,019 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 35 error locations. [2020-12-22 14:20:18,039 INFO L253 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2020-12-22 14:20:18,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:20:18,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:20:18,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:20:18,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:20:18,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:20:18,115 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:20:18,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:20:18,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:20:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10314 states. [2020-12-22 14:20:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 14:20:18,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:18,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:18,307 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:18,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:18,317 INFO L82 PathProgramCache]: Analyzing trace with hash 599881239, now seen corresponding path program 1 times [2020-12-22 14:20:18,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:18,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289276186] [2020-12-22 14:20:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:19,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289276186] [2020-12-22 14:20:19,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:19,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:19,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034378221] [2020-12-22 14:20:19,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:20:19,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:19,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:20:19,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:20:19,575 INFO L87 Difference]: Start difference. First operand 10314 states. Second operand 2 states. [2020-12-22 14:20:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:20,114 INFO L93 Difference]: Finished difference Result 20624 states and 29005 transitions. [2020-12-22 14:20:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:20:20,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 68 [2020-12-22 14:20:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:20,213 INFO L225 Difference]: With dead ends: 20624 [2020-12-22 14:20:20,213 INFO L226 Difference]: Without dead ends: 10301 [2020-12-22 14:20:20,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:20:20,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10301 states. [2020-12-22 14:20:20,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10301 to 10301. [2020-12-22 14:20:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10301 states. [2020-12-22 14:20:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10301 states to 10301 states and 14273 transitions. [2020-12-22 14:20:20,921 INFO L78 Accepts]: Start accepts. Automaton has 10301 states and 14273 transitions. Word has length 68 [2020-12-22 14:20:20,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:20,921 INFO L481 AbstractCegarLoop]: Abstraction has 10301 states and 14273 transitions. [2020-12-22 14:20:20,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:20:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10301 states and 14273 transitions. [2020-12-22 14:20:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 14:20:20,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:20,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:20,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:20:20,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1714873313, now seen corresponding path program 1 times [2020-12-22 14:20:20,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:20,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028210539] [2020-12-22 14:20:20,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:21,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028210539] [2020-12-22 14:20:21,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:21,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:20:21,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557091662] [2020-12-22 14:20:21,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:21,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:21,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:21,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:21,900 INFO L87 Difference]: Start difference. First operand 10301 states and 14273 transitions. Second operand 3 states. [2020-12-22 14:20:23,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:23,089 INFO L93 Difference]: Finished difference Result 26335 states and 36561 transitions. [2020-12-22 14:20:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:23,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-22 14:20:23,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:23,232 INFO L225 Difference]: With dead ends: 26335 [2020-12-22 14:20:23,233 INFO L226 Difference]: Without dead ends: 16088 [2020-12-22 14:20:23,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16088 states. [2020-12-22 14:20:23,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16088 to 16003. [2020-12-22 14:20:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16003 states. [2020-12-22 14:20:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16003 states to 16003 states and 22292 transitions. [2020-12-22 14:20:23,951 INFO L78 Accepts]: Start accepts. Automaton has 16003 states and 22292 transitions. Word has length 68 [2020-12-22 14:20:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:23,953 INFO L481 AbstractCegarLoop]: Abstraction has 16003 states and 22292 transitions. [2020-12-22 14:20:23,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 16003 states and 22292 transitions. [2020-12-22 14:20:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-22 14:20:23,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:23,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:23,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:20:23,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:23,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1841844260, now seen corresponding path program 1 times [2020-12-22 14:20:23,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:23,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683452027] [2020-12-22 14:20:23,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:24,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683452027] [2020-12-22 14:20:24,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:24,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:20:24,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753752611] [2020-12-22 14:20:24,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:24,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:24,786 INFO L87 Difference]: Start difference. First operand 16003 states and 22292 transitions. Second operand 3 states. [2020-12-22 14:20:28,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:28,076 INFO L93 Difference]: Finished difference Result 47752 states and 66562 transitions. [2020-12-22 14:20:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:28,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-22 14:20:28,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:28,234 INFO L225 Difference]: With dead ends: 47752 [2020-12-22 14:20:28,235 INFO L226 Difference]: Without dead ends: 31803 [2020-12-22 14:20:28,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:28,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31803 states. [2020-12-22 14:20:29,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31803 to 31745. [2020-12-22 14:20:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31745 states. [2020-12-22 14:20:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31745 states to 31745 states and 44300 transitions. [2020-12-22 14:20:29,613 INFO L78 Accepts]: Start accepts. Automaton has 31745 states and 44300 transitions. Word has length 72 [2020-12-22 14:20:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:29,615 INFO L481 AbstractCegarLoop]: Abstraction has 31745 states and 44300 transitions. [2020-12-22 14:20:29,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 31745 states and 44300 transitions. [2020-12-22 14:20:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-22 14:20:29,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:29,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:29,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:20:29,623 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:29,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:29,623 INFO L82 PathProgramCache]: Analyzing trace with hash -532712366, now seen corresponding path program 1 times [2020-12-22 14:20:29,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:29,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362159429] [2020-12-22 14:20:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:30,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362159429] [2020-12-22 14:20:30,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:30,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:20:30,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193971526] [2020-12-22 14:20:30,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:20:30,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:30,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:20:30,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:20:30,473 INFO L87 Difference]: Start difference. First operand 31745 states and 44300 transitions. Second operand 4 states. [2020-12-22 14:20:32,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:32,759 INFO L93 Difference]: Finished difference Result 87647 states and 122398 transitions. [2020-12-22 14:20:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:20:32,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2020-12-22 14:20:32,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:33,089 INFO L225 Difference]: With dead ends: 87647 [2020-12-22 14:20:33,089 INFO L226 Difference]: Without dead ends: 55956 [2020-12-22 14:20:33,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:20:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55956 states. [2020-12-22 14:20:34,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55956 to 31745. [2020-12-22 14:20:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31745 states. [2020-12-22 14:20:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31745 states to 31745 states and 44298 transitions. [2020-12-22 14:20:35,016 INFO L78 Accepts]: Start accepts. Automaton has 31745 states and 44298 transitions. Word has length 77 [2020-12-22 14:20:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:35,017 INFO L481 AbstractCegarLoop]: Abstraction has 31745 states and 44298 transitions. [2020-12-22 14:20:35,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:20:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 31745 states and 44298 transitions. [2020-12-22 14:20:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-22 14:20:35,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:35,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:35,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:20:35,023 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:35,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1805172135, now seen corresponding path program 1 times [2020-12-22 14:20:35,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:35,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823460890] [2020-12-22 14:20:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:35,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823460890] [2020-12-22 14:20:35,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:35,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:20:35,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960987173] [2020-12-22 14:20:35,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:20:35,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:35,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:20:35,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:20:35,790 INFO L87 Difference]: Start difference. First operand 31745 states and 44298 transitions. Second operand 4 states. [2020-12-22 14:20:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:38,302 INFO L93 Difference]: Finished difference Result 74068 states and 103355 transitions. [2020-12-22 14:20:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:20:38,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2020-12-22 14:20:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:38,473 INFO L225 Difference]: With dead ends: 74068 [2020-12-22 14:20:38,473 INFO L226 Difference]: Without dead ends: 42377 [2020-12-22 14:20:38,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:20:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42377 states. [2020-12-22 14:20:40,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42377 to 31747. [2020-12-22 14:20:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31747 states. [2020-12-22 14:20:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31747 states to 31747 states and 44299 transitions. [2020-12-22 14:20:40,207 INFO L78 Accepts]: Start accepts. Automaton has 31747 states and 44299 transitions. Word has length 84 [2020-12-22 14:20:40,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:40,209 INFO L481 AbstractCegarLoop]: Abstraction has 31747 states and 44299 transitions. [2020-12-22 14:20:40,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:20:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 31747 states and 44299 transitions. [2020-12-22 14:20:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-22 14:20:40,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:40,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:40,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:20:40,221 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:40,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash 23781698, now seen corresponding path program 1 times [2020-12-22 14:20:40,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:40,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212664933] [2020-12-22 14:20:40,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:41,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212664933] [2020-12-22 14:20:41,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:41,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:41,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708786716] [2020-12-22 14:20:41,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:41,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:41,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:41,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:41,126 INFO L87 Difference]: Start difference. First operand 31747 states and 44299 transitions. Second operand 3 states. [2020-12-22 14:20:42,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:42,658 INFO L93 Difference]: Finished difference Result 41723 states and 58221 transitions. [2020-12-22 14:20:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:42,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-22 14:20:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:42,823 INFO L225 Difference]: With dead ends: 41723 [2020-12-22 14:20:42,823 INFO L226 Difference]: Without dead ends: 41713 [2020-12-22 14:20:42,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:42,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41713 states. [2020-12-22 14:20:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41713 to 41709. [2020-12-22 14:20:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41709 states. [2020-12-22 14:20:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41709 states to 41709 states and 58197 transitions. [2020-12-22 14:20:45,012 INFO L78 Accepts]: Start accepts. Automaton has 41709 states and 58197 transitions. Word has length 88 [2020-12-22 14:20:45,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:45,012 INFO L481 AbstractCegarLoop]: Abstraction has 41709 states and 58197 transitions. [2020-12-22 14:20:45,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 41709 states and 58197 transitions. [2020-12-22 14:20:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-22 14:20:45,016 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:45,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:45,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:20:45,017 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:45,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:45,018 INFO L82 PathProgramCache]: Analyzing trace with hash 737272642, now seen corresponding path program 1 times [2020-12-22 14:20:45,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:45,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283928169] [2020-12-22 14:20:45,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:45,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283928169] [2020-12-22 14:20:45,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:45,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:45,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617855829] [2020-12-22 14:20:45,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:45,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:45,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:45,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:45,666 INFO L87 Difference]: Start difference. First operand 41709 states and 58197 transitions. Second operand 3 states. [2020-12-22 14:20:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:47,396 INFO L93 Difference]: Finished difference Result 41709 states and 58197 transitions. [2020-12-22 14:20:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:47,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-22 14:20:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:47,571 INFO L225 Difference]: With dead ends: 41709 [2020-12-22 14:20:47,571 INFO L226 Difference]: Without dead ends: 41695 [2020-12-22 14:20:47,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41695 states. [2020-12-22 14:20:49,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41695 to 41695. [2020-12-22 14:20:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41695 states. [2020-12-22 14:20:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41695 states to 41695 states and 58165 transitions. [2020-12-22 14:20:49,245 INFO L78 Accepts]: Start accepts. Automaton has 41695 states and 58165 transitions. Word has length 89 [2020-12-22 14:20:49,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:49,246 INFO L481 AbstractCegarLoop]: Abstraction has 41695 states and 58165 transitions. [2020-12-22 14:20:49,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41695 states and 58165 transitions. [2020-12-22 14:20:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-22 14:20:49,250 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:49,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:49,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:20:49,250 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1380655436, now seen corresponding path program 1 times [2020-12-22 14:20:49,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:49,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902265210] [2020-12-22 14:20:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:50,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902265210] [2020-12-22 14:20:50,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:50,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:50,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616378963] [2020-12-22 14:20:50,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:50,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:50,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:50,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:50,056 INFO L87 Difference]: Start difference. First operand 41695 states and 58165 transitions. Second operand 3 states. [2020-12-22 14:20:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:51,175 INFO L93 Difference]: Finished difference Result 41695 states and 58165 transitions. [2020-12-22 14:20:51,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:51,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-22 14:20:51,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:51,273 INFO L225 Difference]: With dead ends: 41695 [2020-12-22 14:20:51,273 INFO L226 Difference]: Without dead ends: 41693 [2020-12-22 14:20:51,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41693 states. [2020-12-22 14:20:52,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41693 to 41693. [2020-12-22 14:20:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41693 states. [2020-12-22 14:20:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41693 states to 41693 states and 58163 transitions. [2020-12-22 14:20:52,942 INFO L78 Accepts]: Start accepts. Automaton has 41693 states and 58163 transitions. Word has length 90 [2020-12-22 14:20:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:52,943 INFO L481 AbstractCegarLoop]: Abstraction has 41693 states and 58163 transitions. [2020-12-22 14:20:52,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 41693 states and 58163 transitions. [2020-12-22 14:20:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-22 14:20:52,947 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:52,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:52,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:20:52,948 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:52,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash -149314420, now seen corresponding path program 1 times [2020-12-22 14:20:52,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:52,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153876318] [2020-12-22 14:20:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:53,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153876318] [2020-12-22 14:20:53,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:53,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:53,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113479075] [2020-12-22 14:20:53,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:53,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:53,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:53,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:53,722 INFO L87 Difference]: Start difference. First operand 41693 states and 58163 transitions. Second operand 3 states. [2020-12-22 14:20:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:54,817 INFO L93 Difference]: Finished difference Result 41693 states and 58163 transitions. [2020-12-22 14:20:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:54,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-12-22 14:20:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:54,923 INFO L225 Difference]: With dead ends: 41693 [2020-12-22 14:20:54,923 INFO L226 Difference]: Without dead ends: 41691 [2020-12-22 14:20:54,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:54,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41691 states. [2020-12-22 14:20:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41691 to 41691. [2020-12-22 14:20:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41691 states. [2020-12-22 14:20:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41691 states to 41691 states and 58161 transitions. [2020-12-22 14:20:56,628 INFO L78 Accepts]: Start accepts. Automaton has 41691 states and 58161 transitions. Word has length 91 [2020-12-22 14:20:56,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:20:56,629 INFO L481 AbstractCegarLoop]: Abstraction has 41691 states and 58161 transitions. [2020-12-22 14:20:56,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:20:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41691 states and 58161 transitions. [2020-12-22 14:20:56,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-22 14:20:56,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:20:56,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:20:56,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:20:56,634 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:20:56,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:20:56,635 INFO L82 PathProgramCache]: Analyzing trace with hash -333739690, now seen corresponding path program 1 times [2020-12-22 14:20:56,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:20:56,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706542390] [2020-12-22 14:20:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:20:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:20:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:20:57,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706542390] [2020-12-22 14:20:57,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:20:57,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:20:57,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697609561] [2020-12-22 14:20:57,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:20:57,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:20:57,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:20:57,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:57,157 INFO L87 Difference]: Start difference. First operand 41691 states and 58161 transitions. Second operand 3 states. [2020-12-22 14:20:58,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:20:58,497 INFO L93 Difference]: Finished difference Result 41691 states and 58161 transitions. [2020-12-22 14:20:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:20:58,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-22 14:20:58,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:20:58,573 INFO L225 Difference]: With dead ends: 41691 [2020-12-22 14:20:58,574 INFO L226 Difference]: Without dead ends: 41689 [2020-12-22 14:20:58,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:20:58,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41689 states. [2020-12-22 14:21:00,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41689 to 41689. [2020-12-22 14:21:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41689 states. [2020-12-22 14:21:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41689 states to 41689 states and 58159 transitions. [2020-12-22 14:21:00,110 INFO L78 Accepts]: Start accepts. Automaton has 41689 states and 58159 transitions. Word has length 92 [2020-12-22 14:21:00,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:21:00,110 INFO L481 AbstractCegarLoop]: Abstraction has 41689 states and 58159 transitions. [2020-12-22 14:21:00,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:21:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 41689 states and 58159 transitions. [2020-12-22 14:21:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-22 14:21:00,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:21:00,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:21:00,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:21:00,114 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:21:00,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:21:00,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1755955754, now seen corresponding path program 1 times [2020-12-22 14:21:00,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:21:00,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374793957] [2020-12-22 14:21:00,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:21:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:21:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:21:00,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374793957] [2020-12-22 14:21:00,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:21:00,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:21:00,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890727120] [2020-12-22 14:21:00,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:21:00,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:21:00,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:21:00,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:21:00,684 INFO L87 Difference]: Start difference. First operand 41689 states and 58159 transitions. Second operand 3 states. [2020-12-22 14:21:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:21:03,714 INFO L93 Difference]: Finished difference Result 124859 states and 174239 transitions. [2020-12-22 14:21:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:21:03,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-22 14:21:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:21:04,150 INFO L225 Difference]: With dead ends: 124859 [2020-12-22 14:21:04,150 INFO L226 Difference]: Without dead ends: 83210 [2020-12-22 14:21:04,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:21:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83210 states. [2020-12-22 14:21:07,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83210 to 82879. [2020-12-22 14:21:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82879 states. [2020-12-22 14:21:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82879 states to 82879 states and 115631 transitions. [2020-12-22 14:21:07,397 INFO L78 Accepts]: Start accepts. Automaton has 82879 states and 115631 transitions. Word has length 93 [2020-12-22 14:21:07,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:21:07,398 INFO L481 AbstractCegarLoop]: Abstraction has 82879 states and 115631 transitions. [2020-12-22 14:21:07,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:21:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 82879 states and 115631 transitions. [2020-12-22 14:21:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-22 14:21:07,403 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:21:07,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:21:07,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 14:21:07,403 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:21:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:21:07,404 INFO L82 PathProgramCache]: Analyzing trace with hash -710280606, now seen corresponding path program 1 times [2020-12-22 14:21:07,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:21:07,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164342674] [2020-12-22 14:21:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:21:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:21:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:21:08,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164342674] [2020-12-22 14:21:08,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:21:08,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:21:08,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203720561] [2020-12-22 14:21:08,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:21:08,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:21:08,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:21:08,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:21:08,138 INFO L87 Difference]: Start difference. First operand 82879 states and 115631 transitions. Second operand 3 states. [2020-12-22 14:21:13,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:21:13,645 INFO L93 Difference]: Finished difference Result 226268 states and 315799 transitions. [2020-12-22 14:21:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:21:13,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-22 14:21:13,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:21:14,287 INFO L225 Difference]: With dead ends: 226268 [2020-12-22 14:21:14,287 INFO L226 Difference]: Without dead ends: 143443 [2020-12-22 14:21:14,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:21:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143443 states. [2020-12-22 14:21:19,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143443 to 143143. [2020-12-22 14:21:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143143 states. [2020-12-22 14:21:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143143 states to 143143 states and 199841 transitions. [2020-12-22 14:21:20,033 INFO L78 Accepts]: Start accepts. Automaton has 143143 states and 199841 transitions. Word has length 99 [2020-12-22 14:21:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:21:20,033 INFO L481 AbstractCegarLoop]: Abstraction has 143143 states and 199841 transitions. [2020-12-22 14:21:20,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:21:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 143143 states and 199841 transitions. [2020-12-22 14:21:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-22 14:21:20,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:21:20,045 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:21:20,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 14:21:20,045 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:21:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:21:20,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2139149976, now seen corresponding path program 1 times [2020-12-22 14:21:20,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:21:20,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986816029] [2020-12-22 14:21:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:21:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:21:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:21:20,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986816029] [2020-12-22 14:21:20,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:21:20,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:21:20,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915108076] [2020-12-22 14:21:20,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:21:20,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:21:20,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:21:20,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:21:20,860 INFO L87 Difference]: Start difference. First operand 143143 states and 199841 transitions. Second operand 3 states.