/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 10:01:31,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 10:01:31,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 10:01:31,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 10:01:31,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 10:01:31,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 10:01:31,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 10:01:31,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 10:01:31,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 10:01:31,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 10:01:31,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 10:01:31,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 10:01:31,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 10:01:31,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 10:01:31,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 10:01:31,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 10:01:31,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 10:01:31,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 10:01:31,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 10:01:31,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 10:01:31,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 10:01:31,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 10:01:31,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 10:01:31,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 10:01:31,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 10:01:31,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 10:01:31,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 10:01:31,194 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 10:01:31,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 10:01:31,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 10:01:31,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 10:01:31,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 10:01:31,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 10:01:31,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 10:01:31,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 10:01:31,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 10:01:31,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:01:31,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 10:01:31,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 10:01:31,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 10:01:31,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 10:01:31,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 10:01:31,201 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 10:01:31,201 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 10:01:31,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 10:01:31,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 10:01:31,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 10:01:31,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 10:01:31,431 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 10:01:31,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-01-10 10:01:31,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d015f5/c6801e41779f497da8983d7804d5f4dc/FLAGc7fa3c58c [2022-01-10 10:01:31,993 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 10:01:31,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-01-10 10:01:32,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d015f5/c6801e41779f497da8983d7804d5f4dc/FLAGc7fa3c58c [2022-01-10 10:01:32,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d015f5/c6801e41779f497da8983d7804d5f4dc [2022-01-10 10:01:32,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 10:01:32,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 10:01:32,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 10:01:32,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 10:01:32,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 10:01:32,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:01:32" (1/1) ... [2022-01-10 10:01:32,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:32, skipping insertion in model container [2022-01-10 10:01:32,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:01:32" (1/1) ... [2022-01-10 10:01:32,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 10:01:32,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 10:01:32,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-01-10 10:01:32,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:01:32,891 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 10:01:32,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-01-10 10:01:33,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:01:33,025 INFO L208 MainTranslator]: Completed translation [2022-01-10 10:01:33,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33 WrapperNode [2022-01-10 10:01:33,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 10:01:33,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 10:01:33,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 10:01:33,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 10:01:33,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,194 INFO L137 Inliner]: procedures = 41, calls = 107, calls flagged for inlining = 102, calls inlined = 276, statements flattened = 5102 [2022-01-10 10:01:33,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 10:01:33,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 10:01:33,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 10:01:33,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 10:01:33,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 10:01:33,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 10:01:33,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 10:01:33,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 10:01:33,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (1/1) ... [2022-01-10 10:01:33,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:01:33,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 10:01:33,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 10:01:33,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 10:01:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 10:01:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 10:01:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 10:01:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 10:01:33,661 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 10:01:33,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 10:01:33,668 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,669 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,674 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,677 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,681 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,691 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,694 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,698 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,700 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,701 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,703 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,704 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,709 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,714 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,717 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,719 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,722 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,723 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,724 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,726 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,727 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,729 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,731 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,732 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,733 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,735 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,737 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,738 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,740 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,742 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,744 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,746 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,747 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,749 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,751 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,753 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,753 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,756 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,757 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,759 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,760 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,761 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:33,763 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 10:01:35,516 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2022-01-10 10:01:35,516 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2022-01-10 10:01:35,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2022-01-10 10:01:35,518 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0bv32; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2022-01-10 10:01:35,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-01-10 10:01:35,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2022-01-10 10:01:35,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2022-01-10 10:01:35,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2022-01-10 10:01:35,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2022-01-10 10:01:35,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2022-01-10 10:01:35,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2022-01-10 10:01:35,526 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2022-01-10 10:01:35,526 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2022-01-10 10:01:35,526 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 10:01:35,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 10:01:35,554 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 10:01:35,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:01:35 BoogieIcfgContainer [2022-01-10 10:01:35,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 10:01:35,559 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 10:01:35,559 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 10:01:35,561 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 10:01:35,564 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:01:35" (1/1) ... [2022-01-10 10:01:36,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:01:36 BasicIcfg [2022-01-10 10:01:36,128 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 10:01:36,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 10:01:36,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 10:01:36,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 10:01:36,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 10:01:32" (1/4) ... [2022-01-10 10:01:36,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:01:36, skipping insertion in model container [2022-01-10 10:01:36,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:01:33" (2/4) ... [2022-01-10 10:01:36,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:01:36, skipping insertion in model container [2022-01-10 10:01:36,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:01:35" (3/4) ... [2022-01-10 10:01:36,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:01:36, skipping insertion in model container [2022-01-10 10:01:36,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:01:36" (4/4) ... [2022-01-10 10:01:36,134 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.cTransformedIcfg [2022-01-10 10:01:36,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 10:01:36,142 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2022-01-10 10:01:36,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 10:01:36,237 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 10:01:36,237 INFO L340 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2022-01-10 10:01:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 1311 states, 1208 states have (on average 1.564569536423841) internal successors, (1890), 1310 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 10:01:36,287 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:36,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:36,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash -838906210, now seen corresponding path program 1 times [2022-01-10 10:01:36,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:36,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716618208] [2022-01-10 10:01:36,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:36,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:36,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:36,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716618208] [2022-01-10 10:01:36,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716618208] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:36,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:36,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:36,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982182515] [2022-01-10 10:01:36,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:36,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:36,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:36,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:36,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:36,651 INFO L87 Difference]: Start difference. First operand has 1311 states, 1208 states have (on average 1.564569536423841) internal successors, (1890), 1310 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:37,208 INFO L93 Difference]: Finished difference Result 2220 states and 3182 transitions. [2022-01-10 10:01:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:37,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-01-10 10:01:37,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:37,234 INFO L225 Difference]: With dead ends: 2220 [2022-01-10 10:01:37,234 INFO L226 Difference]: Without dead ends: 1204 [2022-01-10 10:01:37,248 INFO L932 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 [2022-01-10 10:01:37,252 INFO L933 BasicCegarLoop]: 1678 mSDtfsCounter, 8 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3001 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:37,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3001 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:01:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-01-10 10:01:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1204. [2022-01-10 10:01:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1102 states have (on average 1.514519056261343) internal successors, (1669), 1203 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1669 transitions. [2022-01-10 10:01:37,361 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1669 transitions. Word has length 12 [2022-01-10 10:01:37,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:37,362 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 1669 transitions. [2022-01-10 10:01:37,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1669 transitions. [2022-01-10 10:01:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 10:01:37,363 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:37,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:37,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 10:01:37,364 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:37,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:37,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2076951635, now seen corresponding path program 1 times [2022-01-10 10:01:37,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:37,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993473299] [2022-01-10 10:01:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:37,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:37,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:37,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993473299] [2022-01-10 10:01:37,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993473299] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:37,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:37,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:37,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781616704] [2022-01-10 10:01:37,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:37,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:37,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:37,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:37,485 INFO L87 Difference]: Start difference. First operand 1204 states and 1669 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:37,946 INFO L93 Difference]: Finished difference Result 1478 states and 2033 transitions. [2022-01-10 10:01:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:37,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-01-10 10:01:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:37,977 INFO L225 Difference]: With dead ends: 1478 [2022-01-10 10:01:37,978 INFO L226 Difference]: Without dead ends: 1283 [2022-01-10 10:01:37,979 INFO L932 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 [2022-01-10 10:01:37,980 INFO L933 BasicCegarLoop]: 1542 mSDtfsCounter, 1023 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:37,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 2066 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:01:37,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2022-01-10 10:01:38,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1260. [2022-01-10 10:01:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1194 states have (on average 1.481574539363484) internal successors, (1769), 1259 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1769 transitions. [2022-01-10 10:01:38,031 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1769 transitions. Word has length 14 [2022-01-10 10:01:38,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:38,032 INFO L470 AbstractCegarLoop]: Abstraction has 1260 states and 1769 transitions. [2022-01-10 10:01:38,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1769 transitions. [2022-01-10 10:01:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 10:01:38,036 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:38,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:38,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 10:01:38,041 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:38,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2127223853, now seen corresponding path program 1 times [2022-01-10 10:01:38,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:38,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254461468] [2022-01-10 10:01:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:38,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:38,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:38,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254461468] [2022-01-10 10:01:38,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254461468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:38,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:38,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:38,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665721841] [2022-01-10 10:01:38,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:38,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:38,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:38,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:38,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:38,159 INFO L87 Difference]: Start difference. First operand 1260 states and 1769 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:38,246 INFO L93 Difference]: Finished difference Result 1648 states and 2284 transitions. [2022-01-10 10:01:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:38,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-01-10 10:01:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:38,252 INFO L225 Difference]: With dead ends: 1648 [2022-01-10 10:01:38,253 INFO L226 Difference]: Without dead ends: 1271 [2022-01-10 10:01:38,256 INFO L932 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 [2022-01-10 10:01:38,259 INFO L933 BasicCegarLoop]: 1345 mSDtfsCounter, 1240 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:38,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1240 Valid, 1613 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:38,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2022-01-10 10:01:38,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1083. [2022-01-10 10:01:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1038 states have (on average 1.4730250481695568) internal successors, (1529), 1082 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1529 transitions. [2022-01-10 10:01:38,316 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1529 transitions. Word has length 16 [2022-01-10 10:01:38,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:38,316 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1529 transitions. [2022-01-10 10:01:38,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1529 transitions. [2022-01-10 10:01:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-10 10:01:38,322 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:38,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:38,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 10:01:38,322 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:38,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:38,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1060602040, now seen corresponding path program 1 times [2022-01-10 10:01:38,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:38,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611335577] [2022-01-10 10:01:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:38,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:38,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:38,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611335577] [2022-01-10 10:01:38,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611335577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:38,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:38,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:38,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533561278] [2022-01-10 10:01:38,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:38,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:38,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:38,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:38,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:38,379 INFO L87 Difference]: Start difference. First operand 1083 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:38,830 INFO L93 Difference]: Finished difference Result 1778 states and 2481 transitions. [2022-01-10 10:01:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:38,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-01-10 10:01:38,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:38,838 INFO L225 Difference]: With dead ends: 1778 [2022-01-10 10:01:38,838 INFO L226 Difference]: Without dead ends: 1544 [2022-01-10 10:01:38,839 INFO L932 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 [2022-01-10 10:01:38,846 INFO L933 BasicCegarLoop]: 1792 mSDtfsCounter, 522 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 2847 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:38,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 2847 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:01:38,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2022-01-10 10:01:38,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1252. [2022-01-10 10:01:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1207 states have (on average 1.475559237779619) internal successors, (1781), 1251 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1781 transitions. [2022-01-10 10:01:38,915 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1781 transitions. Word has length 18 [2022-01-10 10:01:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:38,915 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 1781 transitions. [2022-01-10 10:01:38,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1781 transitions. [2022-01-10 10:01:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 10:01:38,917 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:38,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:38,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 10:01:38,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:38,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1482102387, now seen corresponding path program 1 times [2022-01-10 10:01:38,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:38,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476056028] [2022-01-10 10:01:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:38,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:38,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:38,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476056028] [2022-01-10 10:01:38,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476056028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:38,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:38,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:38,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908326304] [2022-01-10 10:01:38,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:38,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:38,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:38,993 INFO L87 Difference]: Start difference. First operand 1252 states and 1781 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:39,412 INFO L93 Difference]: Finished difference Result 1875 states and 2628 transitions. [2022-01-10 10:01:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:39,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 10:01:39,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:39,418 INFO L225 Difference]: With dead ends: 1875 [2022-01-10 10:01:39,418 INFO L226 Difference]: Without dead ends: 1150 [2022-01-10 10:01:39,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:39,420 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2146 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:39,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2146 Valid, 1488 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:01:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-01-10 10:01:39,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1035. [2022-01-10 10:01:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1012 states have (on average 1.4219367588932805) internal successors, (1439), 1034 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1439 transitions. [2022-01-10 10:01:39,523 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1439 transitions. Word has length 19 [2022-01-10 10:01:39,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:39,523 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1439 transitions. [2022-01-10 10:01:39,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1439 transitions. [2022-01-10 10:01:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 10:01:39,524 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:39,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:01:39,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 10:01:39,525 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:39,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1677928612, now seen corresponding path program 1 times [2022-01-10 10:01:39,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:39,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139740017] [2022-01-10 10:01:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:39,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:39,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:39,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139740017] [2022-01-10 10:01:39,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139740017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:39,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:39,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:39,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327469797] [2022-01-10 10:01:39,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:39,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:39,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:39,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:39,569 INFO L87 Difference]: Start difference. First operand 1035 states and 1439 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:39,666 INFO L93 Difference]: Finished difference Result 1327 states and 1837 transitions. [2022-01-10 10:01:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:39,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-01-10 10:01:39,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:39,671 INFO L225 Difference]: With dead ends: 1327 [2022-01-10 10:01:39,671 INFO L226 Difference]: Without dead ends: 1075 [2022-01-10 10:01:39,672 INFO L932 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 [2022-01-10 10:01:39,673 INFO L933 BasicCegarLoop]: 1269 mSDtfsCounter, 225 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:39,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 2306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2022-01-10 10:01:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1017. [2022-01-10 10:01:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 996 states have (on average 1.4166666666666667) internal successors, (1411), 1016 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1411 transitions. [2022-01-10 10:01:39,747 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1411 transitions. Word has length 21 [2022-01-10 10:01:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:39,747 INFO L470 AbstractCegarLoop]: Abstraction has 1017 states and 1411 transitions. [2022-01-10 10:01:39,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1411 transitions. [2022-01-10 10:01:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-10 10:01:39,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:39,749 INFO L514 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] [2022-01-10 10:01:39,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 10:01:39,749 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:39,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:39,749 INFO L85 PathProgramCache]: Analyzing trace with hash 359328392, now seen corresponding path program 1 times [2022-01-10 10:01:39,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:39,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893726380] [2022-01-10 10:01:39,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:39,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:39,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893726380] [2022-01-10 10:01:39,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893726380] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:39,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:39,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:39,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106244792] [2022-01-10 10:01:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:39,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:39,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:39,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:39,794 INFO L87 Difference]: Start difference. First operand 1017 states and 1411 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:40,086 INFO L93 Difference]: Finished difference Result 1017 states and 1411 transitions. [2022-01-10 10:01:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:40,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-01-10 10:01:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:40,091 INFO L225 Difference]: With dead ends: 1017 [2022-01-10 10:01:40,091 INFO L226 Difference]: Without dead ends: 999 [2022-01-10 10:01:40,092 INFO L932 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 [2022-01-10 10:01:40,093 INFO L933 BasicCegarLoop]: 1156 mSDtfsCounter, 120 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:40,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 2033 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-01-10 10:01:40,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2022-01-10 10:01:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 987 states have (on average 1.4113475177304964) internal successors, (1393), 998 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1393 transitions. [2022-01-10 10:01:40,168 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1393 transitions. Word has length 22 [2022-01-10 10:01:40,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:40,169 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1393 transitions. [2022-01-10 10:01:40,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1393 transitions. [2022-01-10 10:01:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 10:01:40,170 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:40,170 INFO L514 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] [2022-01-10 10:01:40,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 10:01:40,171 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:40,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:40,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1905061144, now seen corresponding path program 1 times [2022-01-10 10:01:40,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:40,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211194676] [2022-01-10 10:01:40,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:40,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:40,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:40,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211194676] [2022-01-10 10:01:40,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211194676] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:40,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:40,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:40,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129577068] [2022-01-10 10:01:40,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:40,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:40,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:40,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:40,261 INFO L87 Difference]: Start difference. First operand 999 states and 1393 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:40,365 INFO L93 Difference]: Finished difference Result 1077 states and 1490 transitions. [2022-01-10 10:01:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:40,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-01-10 10:01:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:40,369 INFO L225 Difference]: With dead ends: 1077 [2022-01-10 10:01:40,370 INFO L226 Difference]: Without dead ends: 1057 [2022-01-10 10:01:40,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:40,371 INFO L933 BasicCegarLoop]: 1195 mSDtfsCounter, 1190 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:40,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1190 Valid, 1305 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:40,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-01-10 10:01:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1001. [2022-01-10 10:01:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 990 states have (on average 1.4232323232323232) internal successors, (1409), 1000 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1409 transitions. [2022-01-10 10:01:40,440 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1409 transitions. Word has length 24 [2022-01-10 10:01:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:40,442 INFO L470 AbstractCegarLoop]: Abstraction has 1001 states and 1409 transitions. [2022-01-10 10:01:40,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1409 transitions. [2022-01-10 10:01:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-10 10:01:40,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:40,444 INFO L514 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] [2022-01-10 10:01:40,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 10:01:40,444 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash -711286319, now seen corresponding path program 1 times [2022-01-10 10:01:40,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:40,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524954401] [2022-01-10 10:01:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:40,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:40,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:40,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524954401] [2022-01-10 10:01:40,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524954401] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:40,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:40,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:40,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494041393] [2022-01-10 10:01:40,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:40,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:40,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:40,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:40,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:40,494 INFO L87 Difference]: Start difference. First operand 1001 states and 1409 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:40,579 INFO L93 Difference]: Finished difference Result 1224 states and 1708 transitions. [2022-01-10 10:01:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:40,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-01-10 10:01:40,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:40,584 INFO L225 Difference]: With dead ends: 1224 [2022-01-10 10:01:40,585 INFO L226 Difference]: Without dead ends: 1024 [2022-01-10 10:01:40,587 INFO L932 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 [2022-01-10 10:01:40,589 INFO L933 BasicCegarLoop]: 1218 mSDtfsCounter, 240 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:40,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 2182 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:40,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-01-10 10:01:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1001. [2022-01-10 10:01:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 990 states have (on average 1.4202020202020202) internal successors, (1406), 1000 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1406 transitions. [2022-01-10 10:01:40,672 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1406 transitions. Word has length 27 [2022-01-10 10:01:40,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:40,673 INFO L470 AbstractCegarLoop]: Abstraction has 1001 states and 1406 transitions. [2022-01-10 10:01:40,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1406 transitions. [2022-01-10 10:01:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 10:01:40,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:40,677 INFO L514 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] [2022-01-10 10:01:40,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 10:01:40,678 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1228592223, now seen corresponding path program 1 times [2022-01-10 10:01:40,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:40,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290848787] [2022-01-10 10:01:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:40,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:40,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290848787] [2022-01-10 10:01:40,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290848787] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:40,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:40,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:40,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612422587] [2022-01-10 10:01:40,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:40,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:40,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:40,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:40,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:40,726 INFO L87 Difference]: Start difference. First operand 1001 states and 1406 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:41,006 INFO L93 Difference]: Finished difference Result 1191 states and 1664 transitions. [2022-01-10 10:01:41,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:41,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-01-10 10:01:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:41,011 INFO L225 Difference]: With dead ends: 1191 [2022-01-10 10:01:41,011 INFO L226 Difference]: Without dead ends: 991 [2022-01-10 10:01:41,012 INFO L932 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 [2022-01-10 10:01:41,012 INFO L933 BasicCegarLoop]: 1205 mSDtfsCounter, 33 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:41,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 2169 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-01-10 10:01:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2022-01-10 10:01:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 983 states have (on average 1.4150559511698881) internal successors, (1391), 990 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1391 transitions. [2022-01-10 10:01:41,076 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1391 transitions. Word has length 30 [2022-01-10 10:01:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:41,076 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1391 transitions. [2022-01-10 10:01:41,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1391 transitions. [2022-01-10 10:01:41,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 10:01:41,078 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:41,078 INFO L514 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] [2022-01-10 10:01:41,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 10:01:41,079 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:41,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:41,080 INFO L85 PathProgramCache]: Analyzing trace with hash 165265912, now seen corresponding path program 1 times [2022-01-10 10:01:41,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:41,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574875874] [2022-01-10 10:01:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:41,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:41,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:41,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574875874] [2022-01-10 10:01:41,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574875874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:41,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:41,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:41,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573478394] [2022-01-10 10:01:41,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:41,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:41,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:41,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:41,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:41,124 INFO L87 Difference]: Start difference. First operand 991 states and 1391 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:41,414 INFO L93 Difference]: Finished difference Result 1164 states and 1610 transitions. [2022-01-10 10:01:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:41,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-01-10 10:01:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:41,420 INFO L225 Difference]: With dead ends: 1164 [2022-01-10 10:01:41,421 INFO L226 Difference]: Without dead ends: 1153 [2022-01-10 10:01:41,421 INFO L932 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 [2022-01-10 10:01:41,422 INFO L933 BasicCegarLoop]: 1183 mSDtfsCounter, 149 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:41,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 2150 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2022-01-10 10:01:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1046. [2022-01-10 10:01:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1038 states have (on average 1.3978805394990366) internal successors, (1451), 1045 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1451 transitions. [2022-01-10 10:01:41,506 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1451 transitions. Word has length 31 [2022-01-10 10:01:41,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:41,506 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1451 transitions. [2022-01-10 10:01:41,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1451 transitions. [2022-01-10 10:01:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 10:01:41,508 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:41,509 INFO L514 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] [2022-01-10 10:01:41,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 10:01:41,509 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:41,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:41,510 INFO L85 PathProgramCache]: Analyzing trace with hash 472918872, now seen corresponding path program 1 times [2022-01-10 10:01:41,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:41,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007555760] [2022-01-10 10:01:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:41,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:41,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:41,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007555760] [2022-01-10 10:01:41,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007555760] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:41,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:41,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:41,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382223440] [2022-01-10 10:01:41,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:41,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:41,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:41,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:41,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:41,553 INFO L87 Difference]: Start difference. First operand 1046 states and 1451 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:41,810 INFO L93 Difference]: Finished difference Result 1068 states and 1476 transitions. [2022-01-10 10:01:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:41,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-01-10 10:01:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:41,815 INFO L225 Difference]: With dead ends: 1068 [2022-01-10 10:01:41,815 INFO L226 Difference]: Without dead ends: 1063 [2022-01-10 10:01:41,816 INFO L932 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 [2022-01-10 10:01:41,817 INFO L933 BasicCegarLoop]: 1190 mSDtfsCounter, 40 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2125 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:41,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 2125 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:41,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-01-10 10:01:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2022-01-10 10:01:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1055 states have (on average 1.3943127962085309) internal successors, (1471), 1062 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1471 transitions. [2022-01-10 10:01:41,889 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1471 transitions. Word has length 32 [2022-01-10 10:01:41,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:41,890 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1471 transitions. [2022-01-10 10:01:41,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1471 transitions. [2022-01-10 10:01:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 10:01:41,892 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:41,892 INFO L514 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] [2022-01-10 10:01:41,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 10:01:41,892 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:41,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash 829265755, now seen corresponding path program 1 times [2022-01-10 10:01:41,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:41,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948307831] [2022-01-10 10:01:41,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:41,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:41,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:41,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948307831] [2022-01-10 10:01:41,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948307831] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:41,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:41,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:41,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708275665] [2022-01-10 10:01:41,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:41,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:41,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:41,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:41,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:41,947 INFO L87 Difference]: Start difference. First operand 1063 states and 1471 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:42,273 INFO L93 Difference]: Finished difference Result 1180 states and 1628 transitions. [2022-01-10 10:01:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:42,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-01-10 10:01:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:42,278 INFO L225 Difference]: With dead ends: 1180 [2022-01-10 10:01:42,279 INFO L226 Difference]: Without dead ends: 1172 [2022-01-10 10:01:42,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:42,280 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 1451 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:42,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1451 Valid, 2132 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-01-10 10:01:42,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1063. [2022-01-10 10:01:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1055 states have (on average 1.3933649289099526) internal successors, (1470), 1062 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1470 transitions. [2022-01-10 10:01:42,385 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1470 transitions. Word has length 32 [2022-01-10 10:01:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:42,385 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1470 transitions. [2022-01-10 10:01:42,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1470 transitions. [2022-01-10 10:01:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:42,387 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:42,388 INFO L514 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] [2022-01-10 10:01:42,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 10:01:42,388 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:42,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1776572923, now seen corresponding path program 1 times [2022-01-10 10:01:42,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:42,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766577409] [2022-01-10 10:01:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:42,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:42,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:42,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766577409] [2022-01-10 10:01:42,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766577409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:42,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:42,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:42,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503523144] [2022-01-10 10:01:42,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:42,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:42,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:42,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:42,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:42,438 INFO L87 Difference]: Start difference. First operand 1063 states and 1470 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:42,751 INFO L93 Difference]: Finished difference Result 1068 states and 1474 transitions. [2022-01-10 10:01:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:42,755 INFO L225 Difference]: With dead ends: 1068 [2022-01-10 10:01:42,755 INFO L226 Difference]: Without dead ends: 1063 [2022-01-10 10:01:42,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:42,756 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1215 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:42,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1215 Valid, 2087 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:42,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-01-10 10:01:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2022-01-10 10:01:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1055 states have (on average 1.3924170616113745) internal successors, (1469), 1062 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1469 transitions. [2022-01-10 10:01:42,845 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1469 transitions. Word has length 33 [2022-01-10 10:01:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:42,845 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1469 transitions. [2022-01-10 10:01:42,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1469 transitions. [2022-01-10 10:01:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:42,847 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:42,847 INFO L514 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] [2022-01-10 10:01:42,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 10:01:42,847 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:42,848 INFO L85 PathProgramCache]: Analyzing trace with hash -329057454, now seen corresponding path program 1 times [2022-01-10 10:01:42,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:42,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705733131] [2022-01-10 10:01:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:42,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:42,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:42,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705733131] [2022-01-10 10:01:42,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705733131] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:42,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:42,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:42,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333187514] [2022-01-10 10:01:42,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:42,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:42,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:42,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:42,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:42,915 INFO L87 Difference]: Start difference. First operand 1063 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:43,049 INFO L93 Difference]: Finished difference Result 1311 states and 1795 transitions. [2022-01-10 10:01:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:43,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:43,053 INFO L225 Difference]: With dead ends: 1311 [2022-01-10 10:01:43,054 INFO L226 Difference]: Without dead ends: 1172 [2022-01-10 10:01:43,056 INFO L932 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 [2022-01-10 10:01:43,057 INFO L933 BasicCegarLoop]: 1236 mSDtfsCounter, 178 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:43,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 2330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-01-10 10:01:43,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1051. [2022-01-10 10:01:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1046 states have (on average 1.387189292543021) internal successors, (1451), 1050 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1451 transitions. [2022-01-10 10:01:43,151 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1451 transitions. Word has length 33 [2022-01-10 10:01:43,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:43,151 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 1451 transitions. [2022-01-10 10:01:43,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1451 transitions. [2022-01-10 10:01:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:43,153 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:43,153 INFO L514 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] [2022-01-10 10:01:43,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 10:01:43,153 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash -92392506, now seen corresponding path program 1 times [2022-01-10 10:01:43,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:43,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197871439] [2022-01-10 10:01:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:43,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:43,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:43,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197871439] [2022-01-10 10:01:43,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197871439] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:43,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:43,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:43,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564865856] [2022-01-10 10:01:43,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:43,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:43,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:43,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:43,198 INFO L87 Difference]: Start difference. First operand 1051 states and 1451 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:43,544 INFO L93 Difference]: Finished difference Result 1148 states and 1583 transitions. [2022-01-10 10:01:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:43,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:43,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:43,549 INFO L225 Difference]: With dead ends: 1148 [2022-01-10 10:01:43,549 INFO L226 Difference]: Without dead ends: 1143 [2022-01-10 10:01:43,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:43,550 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1419 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:43,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1419 Valid, 2103 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:43,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2022-01-10 10:01:43,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1053. [2022-01-10 10:01:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1048 states have (on average 1.3854961832061068) internal successors, (1452), 1052 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1452 transitions. [2022-01-10 10:01:43,674 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1452 transitions. Word has length 33 [2022-01-10 10:01:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:43,675 INFO L470 AbstractCegarLoop]: Abstraction has 1053 states and 1452 transitions. [2022-01-10 10:01:43,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1452 transitions. [2022-01-10 10:01:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:43,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:43,677 INFO L514 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] [2022-01-10 10:01:43,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-10 10:01:43,677 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash -92391481, now seen corresponding path program 1 times [2022-01-10 10:01:43,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:43,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240888091] [2022-01-10 10:01:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:43,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:43,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:43,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240888091] [2022-01-10 10:01:43,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240888091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:43,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:43,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:43,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996085914] [2022-01-10 10:01:43,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:43,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:43,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:43,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:43,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:43,752 INFO L87 Difference]: Start difference. First operand 1053 states and 1452 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:44,085 INFO L93 Difference]: Finished difference Result 1069 states and 1468 transitions. [2022-01-10 10:01:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:44,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:44,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:44,089 INFO L225 Difference]: With dead ends: 1069 [2022-01-10 10:01:44,089 INFO L226 Difference]: Without dead ends: 1022 [2022-01-10 10:01:44,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:44,090 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1256 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:44,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1256 Valid, 1904 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:44,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-01-10 10:01:44,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2022-01-10 10:01:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1017 states have (on average 1.3883972468043264) internal successors, (1412), 1021 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1412 transitions. [2022-01-10 10:01:44,181 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1412 transitions. Word has length 33 [2022-01-10 10:01:44,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:44,181 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1412 transitions. [2022-01-10 10:01:44,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1412 transitions. [2022-01-10 10:01:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:44,183 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:44,183 INFO L514 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] [2022-01-10 10:01:44,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-10 10:01:44,184 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:44,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:44,184 INFO L85 PathProgramCache]: Analyzing trace with hash 371698743, now seen corresponding path program 1 times [2022-01-10 10:01:44,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:44,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644883819] [2022-01-10 10:01:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:44,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:44,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:44,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644883819] [2022-01-10 10:01:44,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644883819] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:44,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:44,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:44,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169501808] [2022-01-10 10:01:44,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:44,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:44,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:44,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:44,234 INFO L87 Difference]: Start difference. First operand 1022 states and 1412 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:44,550 INFO L93 Difference]: Finished difference Result 1079 states and 1471 transitions. [2022-01-10 10:01:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:44,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:44,554 INFO L225 Difference]: With dead ends: 1079 [2022-01-10 10:01:44,554 INFO L226 Difference]: Without dead ends: 1013 [2022-01-10 10:01:44,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:44,555 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 1229 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:44,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1229 Valid, 1959 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2022-01-10 10:01:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1013. [2022-01-10 10:01:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1008 states have (on average 1.3740079365079365) internal successors, (1385), 1012 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1385 transitions. [2022-01-10 10:01:44,647 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1385 transitions. Word has length 33 [2022-01-10 10:01:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:44,647 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1385 transitions. [2022-01-10 10:01:44,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1385 transitions. [2022-01-10 10:01:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 10:01:44,649 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:44,649 INFO L514 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] [2022-01-10 10:01:44,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-10 10:01:44,649 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash -720665896, now seen corresponding path program 1 times [2022-01-10 10:01:44,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:44,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783834785] [2022-01-10 10:01:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:44,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:44,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:44,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783834785] [2022-01-10 10:01:44,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783834785] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:44,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:44,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:44,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366392261] [2022-01-10 10:01:44,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:44,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:44,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:44,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:44,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:44,698 INFO L87 Difference]: Start difference. First operand 1013 states and 1385 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:44,963 INFO L93 Difference]: Finished difference Result 1043 states and 1414 transitions. [2022-01-10 10:01:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:44,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-01-10 10:01:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:44,967 INFO L225 Difference]: With dead ends: 1043 [2022-01-10 10:01:44,967 INFO L226 Difference]: Without dead ends: 1029 [2022-01-10 10:01:44,968 INFO L932 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 [2022-01-10 10:01:44,968 INFO L933 BasicCegarLoop]: 1147 mSDtfsCounter, 41 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:44,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 2081 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-01-10 10:01:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1023. [2022-01-10 10:01:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1018 states have (on average 1.3713163064833005) internal successors, (1396), 1022 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1396 transitions. [2022-01-10 10:01:45,079 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1396 transitions. Word has length 33 [2022-01-10 10:01:45,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:45,079 INFO L470 AbstractCegarLoop]: Abstraction has 1023 states and 1396 transitions. [2022-01-10 10:01:45,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1396 transitions. [2022-01-10 10:01:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 10:01:45,081 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:45,081 INFO L514 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] [2022-01-10 10:01:45,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-10 10:01:45,081 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:45,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash -660293414, now seen corresponding path program 1 times [2022-01-10 10:01:45,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:45,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533408082] [2022-01-10 10:01:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:45,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:45,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:45,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533408082] [2022-01-10 10:01:45,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533408082] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:45,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:45,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:45,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837091849] [2022-01-10 10:01:45,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:45,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:45,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:45,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:45,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:45,120 INFO L87 Difference]: Start difference. First operand 1023 states and 1396 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:45,225 INFO L93 Difference]: Finished difference Result 1125 states and 1533 transitions. [2022-01-10 10:01:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-01-10 10:01:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:45,229 INFO L225 Difference]: With dead ends: 1125 [2022-01-10 10:01:45,229 INFO L226 Difference]: Without dead ends: 1007 [2022-01-10 10:01:45,230 INFO L932 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 [2022-01-10 10:01:45,230 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 24 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:45,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 2236 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2022-01-10 10:01:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 1007. [2022-01-10 10:01:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1002 states have (on average 1.3642714570858283) internal successors, (1367), 1006 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1367 transitions. [2022-01-10 10:01:45,321 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1367 transitions. Word has length 34 [2022-01-10 10:01:45,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:45,321 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1367 transitions. [2022-01-10 10:01:45,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1367 transitions. [2022-01-10 10:01:45,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 10:01:45,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:45,323 INFO L514 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] [2022-01-10 10:01:45,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-10 10:01:45,323 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:45,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:45,323 INFO L85 PathProgramCache]: Analyzing trace with hash -864816517, now seen corresponding path program 1 times [2022-01-10 10:01:45,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:45,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767849260] [2022-01-10 10:01:45,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:45,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:45,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:45,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767849260] [2022-01-10 10:01:45,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767849260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:45,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:45,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:45,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929676684] [2022-01-10 10:01:45,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:45,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:45,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:45,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:45,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:45,363 INFO L87 Difference]: Start difference. First operand 1007 states and 1367 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:45,639 INFO L93 Difference]: Finished difference Result 1013 states and 1371 transitions. [2022-01-10 10:01:45,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:45,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-01-10 10:01:45,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:45,643 INFO L225 Difference]: With dead ends: 1013 [2022-01-10 10:01:45,643 INFO L226 Difference]: Without dead ends: 1010 [2022-01-10 10:01:45,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:45,644 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 1158 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:45,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 2040 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:45,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2022-01-10 10:01:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1005. [2022-01-10 10:01:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 1000 states have (on average 1.364) internal successors, (1364), 1004 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1364 transitions. [2022-01-10 10:01:45,758 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1364 transitions. Word has length 34 [2022-01-10 10:01:45,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:45,758 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1364 transitions. [2022-01-10 10:01:45,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1364 transitions. [2022-01-10 10:01:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 10:01:45,761 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:45,761 INFO L514 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] [2022-01-10 10:01:45,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-10 10:01:45,761 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:45,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:45,761 INFO L85 PathProgramCache]: Analyzing trace with hash -864815492, now seen corresponding path program 1 times [2022-01-10 10:01:45,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:45,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111598292] [2022-01-10 10:01:45,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:45,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:45,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:45,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111598292] [2022-01-10 10:01:45,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111598292] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:45,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:45,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:45,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642656151] [2022-01-10 10:01:45,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:45,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:45,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:45,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:45,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:45,859 INFO L87 Difference]: Start difference. First operand 1005 states and 1364 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:46,101 INFO L93 Difference]: Finished difference Result 1023 states and 1382 transitions. [2022-01-10 10:01:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:46,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-01-10 10:01:46,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:46,105 INFO L225 Difference]: With dead ends: 1023 [2022-01-10 10:01:46,105 INFO L226 Difference]: Without dead ends: 1004 [2022-01-10 10:01:46,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-01-10 10:01:46,106 INFO L933 BasicCegarLoop]: 1137 mSDtfsCounter, 52 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5589 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:46,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 5589 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:46,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2022-01-10 10:01:46,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2022-01-10 10:01:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 999 states have (on average 1.3633633633633633) internal successors, (1362), 1003 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1362 transitions. [2022-01-10 10:01:46,210 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1362 transitions. Word has length 34 [2022-01-10 10:01:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:46,211 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1362 transitions. [2022-01-10 10:01:46,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1362 transitions. [2022-01-10 10:01:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 10:01:46,213 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:46,213 INFO L514 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] [2022-01-10 10:01:46,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-10 10:01:46,213 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:46,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:46,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1238405860, now seen corresponding path program 1 times [2022-01-10 10:01:46,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:46,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418102260] [2022-01-10 10:01:46,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:46,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:46,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:46,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418102260] [2022-01-10 10:01:46,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418102260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:46,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:46,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:46,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178790225] [2022-01-10 10:01:46,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:46,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:46,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:46,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:46,274 INFO L87 Difference]: Start difference. First operand 1004 states and 1362 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:46,604 INFO L93 Difference]: Finished difference Result 1026 states and 1385 transitions. [2022-01-10 10:01:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:46,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-01-10 10:01:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:46,608 INFO L225 Difference]: With dead ends: 1026 [2022-01-10 10:01:46,608 INFO L226 Difference]: Without dead ends: 992 [2022-01-10 10:01:46,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:46,609 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 76 mSDsluCounter, 5517 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:46,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 6637 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-01-10 10:01:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2022-01-10 10:01:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 987 states have (on average 1.3596757852077002) internal successors, (1342), 991 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1342 transitions. [2022-01-10 10:01:46,723 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1342 transitions. Word has length 35 [2022-01-10 10:01:46,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:46,723 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1342 transitions. [2022-01-10 10:01:46,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1342 transitions. [2022-01-10 10:01:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 10:01:46,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:46,725 INFO L514 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] [2022-01-10 10:01:46,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-10 10:01:46,725 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1570080329, now seen corresponding path program 1 times [2022-01-10 10:01:46,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:46,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937332024] [2022-01-10 10:01:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:46,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:46,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937332024] [2022-01-10 10:01:46,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937332024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:46,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:46,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:46,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728579342] [2022-01-10 10:01:46,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:46,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:46,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:46,815 INFO L87 Difference]: Start difference. First operand 992 states and 1342 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:47,192 INFO L93 Difference]: Finished difference Result 1035 states and 1384 transitions. [2022-01-10 10:01:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:47,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-01-10 10:01:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:47,195 INFO L225 Difference]: With dead ends: 1035 [2022-01-10 10:01:47,195 INFO L226 Difference]: Without dead ends: 991 [2022-01-10 10:01:47,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:47,196 INFO L933 BasicCegarLoop]: 1102 mSDtfsCounter, 403 mSDsluCounter, 5076 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 6178 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:47,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 6178 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-01-10 10:01:47,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 960. [2022-01-10 10:01:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 955 states have (on average 1.3633507853403142) internal successors, (1302), 959 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1302 transitions. [2022-01-10 10:01:47,308 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1302 transitions. Word has length 35 [2022-01-10 10:01:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:47,309 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1302 transitions. [2022-01-10 10:01:47,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1302 transitions. [2022-01-10 10:01:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 10:01:47,311 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:47,311 INFO L514 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] [2022-01-10 10:01:47,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-10 10:01:47,311 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash -107363037, now seen corresponding path program 1 times [2022-01-10 10:01:47,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:47,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343911661] [2022-01-10 10:01:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:47,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:47,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:47,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343911661] [2022-01-10 10:01:47,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343911661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:47,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:47,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:47,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147198733] [2022-01-10 10:01:47,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:47,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:47,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:47,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:47,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:47,395 INFO L87 Difference]: Start difference. First operand 960 states and 1302 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:47,598 INFO L93 Difference]: Finished difference Result 972 states and 1314 transitions. [2022-01-10 10:01:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:47,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-01-10 10:01:47,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:47,601 INFO L225 Difference]: With dead ends: 972 [2022-01-10 10:01:47,601 INFO L226 Difference]: Without dead ends: 944 [2022-01-10 10:01:47,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:47,602 INFO L933 BasicCegarLoop]: 1077 mSDtfsCounter, 38 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5267 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:47,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 5267 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:47,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2022-01-10 10:01:47,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2022-01-10 10:01:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 939 states have (on average 1.3674121405750799) internal successors, (1284), 943 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1284 transitions. [2022-01-10 10:01:47,703 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1284 transitions. Word has length 35 [2022-01-10 10:01:47,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:47,703 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1284 transitions. [2022-01-10 10:01:47,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1284 transitions. [2022-01-10 10:01:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 10:01:47,705 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:47,705 INFO L514 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] [2022-01-10 10:01:47,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-10 10:01:47,706 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:47,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash -855042360, now seen corresponding path program 1 times [2022-01-10 10:01:47,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:47,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017647701] [2022-01-10 10:01:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:47,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:47,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017647701] [2022-01-10 10:01:47,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017647701] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:47,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:47,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:47,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132081271] [2022-01-10 10:01:47,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:47,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:47,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:47,804 INFO L87 Difference]: Start difference. First operand 944 states and 1284 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:48,083 INFO L93 Difference]: Finished difference Result 989 states and 1329 transitions. [2022-01-10 10:01:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-10 10:01:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:48,086 INFO L225 Difference]: With dead ends: 989 [2022-01-10 10:01:48,086 INFO L226 Difference]: Without dead ends: 940 [2022-01-10 10:01:48,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:48,087 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 201 mSDsluCounter, 7094 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 8111 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:48,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 8111 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-01-10 10:01:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 924. [2022-01-10 10:01:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.3634385201305768) internal successors, (1253), 923 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1253 transitions. [2022-01-10 10:01:48,190 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1253 transitions. Word has length 36 [2022-01-10 10:01:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:48,190 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1253 transitions. [2022-01-10 10:01:48,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1253 transitions. [2022-01-10 10:01:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 10:01:48,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:48,192 INFO L514 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] [2022-01-10 10:01:48,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-10 10:01:48,192 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:48,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:48,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1263866585, now seen corresponding path program 1 times [2022-01-10 10:01:48,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:48,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67012363] [2022-01-10 10:01:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:48,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:48,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:48,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67012363] [2022-01-10 10:01:48,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67012363] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:48,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:48,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:48,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374991293] [2022-01-10 10:01:48,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:48,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:48,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:48,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:48,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:48,271 INFO L87 Difference]: Start difference. First operand 924 states and 1253 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:48,474 INFO L93 Difference]: Finished difference Result 947 states and 1276 transitions. [2022-01-10 10:01:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:48,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-10 10:01:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:48,476 INFO L225 Difference]: With dead ends: 947 [2022-01-10 10:01:48,477 INFO L226 Difference]: Without dead ends: 924 [2022-01-10 10:01:48,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:48,477 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 98 mSDsluCounter, 7085 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 8102 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:48,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 8102 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-01-10 10:01:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2022-01-10 10:01:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.3601741022850924) internal successors, (1250), 923 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1250 transitions. [2022-01-10 10:01:48,562 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1250 transitions. Word has length 36 [2022-01-10 10:01:48,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:48,562 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1250 transitions. [2022-01-10 10:01:48,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1250 transitions. [2022-01-10 10:01:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 10:01:48,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:48,566 INFO L514 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] [2022-01-10 10:01:48,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-10 10:01:48,566 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2090024566, now seen corresponding path program 1 times [2022-01-10 10:01:48,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:48,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737976758] [2022-01-10 10:01:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:48,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:48,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:48,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737976758] [2022-01-10 10:01:48,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737976758] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:48,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:48,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:48,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96135427] [2022-01-10 10:01:48,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:48,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:48,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:48,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:48,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:48,616 INFO L87 Difference]: Start difference. First operand 924 states and 1250 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:48,762 INFO L93 Difference]: Finished difference Result 1299 states and 1745 transitions. [2022-01-10 10:01:48,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:48,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-10 10:01:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:48,764 INFO L225 Difference]: With dead ends: 1299 [2022-01-10 10:01:48,764 INFO L226 Difference]: Without dead ends: 1122 [2022-01-10 10:01:48,765 INFO L932 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 [2022-01-10 10:01:48,766 INFO L933 BasicCegarLoop]: 1211 mSDtfsCounter, 433 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:48,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [433 Valid, 1983 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-01-10 10:01:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 924. [2022-01-10 10:01:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.3492927094668117) internal successors, (1240), 923 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1240 transitions. [2022-01-10 10:01:48,867 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1240 transitions. Word has length 36 [2022-01-10 10:01:48,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:48,868 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1240 transitions. [2022-01-10 10:01:48,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1240 transitions. [2022-01-10 10:01:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 10:01:48,869 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:48,869 INFO L514 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] [2022-01-10 10:01:48,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-10 10:01:48,870 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:48,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1878673653, now seen corresponding path program 1 times [2022-01-10 10:01:48,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:48,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840232805] [2022-01-10 10:01:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:48,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:48,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:48,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840232805] [2022-01-10 10:01:48,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840232805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:48,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:48,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 10:01:48,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301991922] [2022-01-10 10:01:48,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:48,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 10:01:48,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:48,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 10:01:48,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 10:01:48,937 INFO L87 Difference]: Start difference. First operand 924 states and 1240 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:49,247 INFO L93 Difference]: Finished difference Result 1102 states and 1465 transitions. [2022-01-10 10:01:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 10:01:49,247 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-10 10:01:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:49,250 INFO L225 Difference]: With dead ends: 1102 [2022-01-10 10:01:49,250 INFO L226 Difference]: Without dead ends: 1063 [2022-01-10 10:01:49,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 10:01:49,252 INFO L933 BasicCegarLoop]: 1030 mSDtfsCounter, 238 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 7175 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:49,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 7175 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:49,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-01-10 10:01:49,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 924. [2022-01-10 10:01:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.3482045701849836) internal successors, (1239), 923 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1239 transitions. [2022-01-10 10:01:49,349 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1239 transitions. Word has length 36 [2022-01-10 10:01:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:49,349 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1239 transitions. [2022-01-10 10:01:49,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1239 transitions. [2022-01-10 10:01:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 10:01:49,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:49,351 INFO L514 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] [2022-01-10 10:01:49,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-10 10:01:49,351 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:49,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1483170860, now seen corresponding path program 1 times [2022-01-10 10:01:49,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:49,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537474720] [2022-01-10 10:01:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:49,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:49,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:49,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537474720] [2022-01-10 10:01:49,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537474720] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:49,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:49,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 10:01:49,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131796404] [2022-01-10 10:01:49,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:49,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 10:01:49,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:49,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 10:01:49,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 10:01:49,465 INFO L87 Difference]: Start difference. First operand 924 states and 1239 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:49,867 INFO L93 Difference]: Finished difference Result 957 states and 1271 transitions. [2022-01-10 10:01:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 10:01:49,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-01-10 10:01:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:49,869 INFO L225 Difference]: With dead ends: 957 [2022-01-10 10:01:49,869 INFO L226 Difference]: Without dead ends: 927 [2022-01-10 10:01:49,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 10:01:49,870 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 406 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 6590 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:49,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 6590 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2022-01-10 10:01:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 908. [2022-01-10 10:01:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 903 states have (on average 1.3499446290143964) internal successors, (1219), 907 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1219 transitions. [2022-01-10 10:01:49,963 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1219 transitions. Word has length 37 [2022-01-10 10:01:49,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:49,963 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1219 transitions. [2022-01-10 10:01:49,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1219 transitions. [2022-01-10 10:01:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 10:01:49,965 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:49,965 INFO L514 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] [2022-01-10 10:01:49,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-10 10:01:49,965 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:49,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:49,966 INFO L85 PathProgramCache]: Analyzing trace with hash 87261121, now seen corresponding path program 1 times [2022-01-10 10:01:49,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:49,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212935239] [2022-01-10 10:01:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:49,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:50,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:50,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212935239] [2022-01-10 10:01:50,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212935239] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:50,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:50,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:50,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852122451] [2022-01-10 10:01:50,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:50,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:50,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:50,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:50,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:50,009 INFO L87 Difference]: Start difference. First operand 908 states and 1219 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:50,144 INFO L93 Difference]: Finished difference Result 1139 states and 1491 transitions. [2022-01-10 10:01:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 10:01:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-01-10 10:01:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:50,146 INFO L225 Difference]: With dead ends: 1139 [2022-01-10 10:01:50,146 INFO L226 Difference]: Without dead ends: 1116 [2022-01-10 10:01:50,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:50,147 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 295 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 2990 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:50,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 2990 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-01-10 10:01:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 910. [2022-01-10 10:01:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 905 states have (on average 1.349171270718232) internal successors, (1221), 909 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1221 transitions. [2022-01-10 10:01:50,220 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1221 transitions. Word has length 38 [2022-01-10 10:01:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:50,220 INFO L470 AbstractCegarLoop]: Abstraction has 910 states and 1221 transitions. [2022-01-10 10:01:50,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1221 transitions. [2022-01-10 10:01:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 10:01:50,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:50,222 INFO L514 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] [2022-01-10 10:01:50,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-10 10:01:50,222 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:50,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:50,222 INFO L85 PathProgramCache]: Analyzing trace with hash -359990880, now seen corresponding path program 1 times [2022-01-10 10:01:50,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:50,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171424954] [2022-01-10 10:01:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:50,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:50,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:50,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171424954] [2022-01-10 10:01:50,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171424954] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:50,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:50,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:50,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818805118] [2022-01-10 10:01:50,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:50,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:50,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:50,263 INFO L87 Difference]: Start difference. First operand 910 states and 1221 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:50,406 INFO L93 Difference]: Finished difference Result 1131 states and 1484 transitions. [2022-01-10 10:01:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 10:01:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-01-10 10:01:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:50,409 INFO L225 Difference]: With dead ends: 1131 [2022-01-10 10:01:50,409 INFO L226 Difference]: Without dead ends: 1109 [2022-01-10 10:01:50,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:50,409 INFO L933 BasicCegarLoop]: 1048 mSDtfsCounter, 311 mSDsluCounter, 1967 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 3015 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:50,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 3015 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-01-10 10:01:50,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 912. [2022-01-10 10:01:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 907 states have (on average 1.348401323042999) internal successors, (1223), 911 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1223 transitions. [2022-01-10 10:01:50,481 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1223 transitions. Word has length 38 [2022-01-10 10:01:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:50,482 INFO L470 AbstractCegarLoop]: Abstraction has 912 states and 1223 transitions. [2022-01-10 10:01:50,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1223 transitions. [2022-01-10 10:01:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 10:01:50,483 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:50,483 INFO L514 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] [2022-01-10 10:01:50,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-10 10:01:50,483 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1627746086, now seen corresponding path program 1 times [2022-01-10 10:01:50,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:50,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135627841] [2022-01-10 10:01:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:50,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:50,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:50,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135627841] [2022-01-10 10:01:50,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135627841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:50,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:50,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:50,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528120499] [2022-01-10 10:01:50,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:50,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:50,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:50,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:50,518 INFO L87 Difference]: Start difference. First operand 912 states and 1223 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:50,648 INFO L93 Difference]: Finished difference Result 1122 states and 1497 transitions. [2022-01-10 10:01:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:50,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-01-10 10:01:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:50,650 INFO L225 Difference]: With dead ends: 1122 [2022-01-10 10:01:50,650 INFO L226 Difference]: Without dead ends: 785 [2022-01-10 10:01:50,651 INFO L932 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 [2022-01-10 10:01:50,652 INFO L933 BasicCegarLoop]: 784 mSDtfsCounter, 198 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:50,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 1367 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-01-10 10:01:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 722. [2022-01-10 10:01:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 717 states have (on average 1.3389121338912133) internal successors, (960), 721 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 960 transitions. [2022-01-10 10:01:50,722 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 960 transitions. Word has length 38 [2022-01-10 10:01:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:50,722 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 960 transitions. [2022-01-10 10:01:50,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 960 transitions. [2022-01-10 10:01:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 10:01:50,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:50,724 INFO L514 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] [2022-01-10 10:01:50,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-10 10:01:50,724 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1796979355, now seen corresponding path program 1 times [2022-01-10 10:01:50,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:50,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811533551] [2022-01-10 10:01:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:50,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:50,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:50,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811533551] [2022-01-10 10:01:50,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811533551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:50,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:50,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:50,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325076311] [2022-01-10 10:01:50,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:50,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:50,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:50,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:50,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:50,829 INFO L87 Difference]: Start difference. First operand 722 states and 960 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:51,178 INFO L93 Difference]: Finished difference Result 755 states and 992 transitions. [2022-01-10 10:01:51,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:51,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-01-10 10:01:51,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:51,179 INFO L225 Difference]: With dead ends: 755 [2022-01-10 10:01:51,179 INFO L226 Difference]: Without dead ends: 723 [2022-01-10 10:01:51,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:51,183 INFO L933 BasicCegarLoop]: 736 mSDtfsCounter, 385 mSDsluCounter, 4752 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 5488 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:51,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 5488 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-01-10 10:01:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 704. [2022-01-10 10:01:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 699 states have (on average 1.341917024320458) internal successors, (938), 703 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 938 transitions. [2022-01-10 10:01:51,242 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 938 transitions. Word has length 38 [2022-01-10 10:01:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:51,242 INFO L470 AbstractCegarLoop]: Abstraction has 704 states and 938 transitions. [2022-01-10 10:01:51,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 938 transitions. [2022-01-10 10:01:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 10:01:51,243 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:51,243 INFO L514 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] [2022-01-10 10:01:51,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-10 10:01:51,244 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash -677462579, now seen corresponding path program 1 times [2022-01-10 10:01:51,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:51,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351147391] [2022-01-10 10:01:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:51,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:51,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:51,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351147391] [2022-01-10 10:01:51,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351147391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:51,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:51,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:51,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956776452] [2022-01-10 10:01:51,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:51,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:51,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:51,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:51,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:51,286 INFO L87 Difference]: Start difference. First operand 704 states and 938 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:51,422 INFO L93 Difference]: Finished difference Result 901 states and 1162 transitions. [2022-01-10 10:01:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 10:01:51,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-01-10 10:01:51,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:51,424 INFO L225 Difference]: With dead ends: 901 [2022-01-10 10:01:51,424 INFO L226 Difference]: Without dead ends: 878 [2022-01-10 10:01:51,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:51,425 INFO L933 BasicCegarLoop]: 792 mSDtfsCounter, 237 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:51,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 2247 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2022-01-10 10:01:51,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 706. [2022-01-10 10:01:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 701 states have (on average 1.340941512125535) internal successors, (940), 705 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 940 transitions. [2022-01-10 10:01:51,494 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 940 transitions. Word has length 39 [2022-01-10 10:01:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:51,494 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 940 transitions. [2022-01-10 10:01:51,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 940 transitions. [2022-01-10 10:01:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 10:01:51,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:51,496 INFO L514 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] [2022-01-10 10:01:51,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-10 10:01:51,496 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:51,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:51,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1878504842, now seen corresponding path program 1 times [2022-01-10 10:01:51,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:51,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709389083] [2022-01-10 10:01:51,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:51,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:51,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:51,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709389083] [2022-01-10 10:01:51,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709389083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:51,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:51,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:51,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230193146] [2022-01-10 10:01:51,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:51,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:51,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:51,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:51,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:51,571 INFO L87 Difference]: Start difference. First operand 706 states and 940 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:51,786 INFO L93 Difference]: Finished difference Result 729 states and 963 transitions. [2022-01-10 10:01:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:51,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-01-10 10:01:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:51,788 INFO L225 Difference]: With dead ends: 729 [2022-01-10 10:01:51,788 INFO L226 Difference]: Without dead ends: 705 [2022-01-10 10:01:51,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:51,789 INFO L933 BasicCegarLoop]: 713 mSDtfsCounter, 98 mSDsluCounter, 4962 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 5675 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:51,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 5675 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2022-01-10 10:01:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2022-01-10 10:01:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 700 states have (on average 1.3342857142857143) internal successors, (934), 704 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 934 transitions. [2022-01-10 10:01:51,862 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 934 transitions. Word has length 39 [2022-01-10 10:01:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:51,862 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 934 transitions. [2022-01-10 10:01:51,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 934 transitions. [2022-01-10 10:01:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 10:01:51,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:51,864 INFO L514 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] [2022-01-10 10:01:51,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-10 10:01:51,864 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:51,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash -239658559, now seen corresponding path program 1 times [2022-01-10 10:01:51,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:51,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739348515] [2022-01-10 10:01:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:51,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:51,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:51,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739348515] [2022-01-10 10:01:51,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739348515] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:51,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:51,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:51,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818233151] [2022-01-10 10:01:51,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:51,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:51,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:51,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:51,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:51,922 INFO L87 Difference]: Start difference. First operand 705 states and 934 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:52,132 INFO L93 Difference]: Finished difference Result 727 states and 957 transitions. [2022-01-10 10:01:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:52,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-01-10 10:01:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:52,133 INFO L225 Difference]: With dead ends: 727 [2022-01-10 10:01:52,133 INFO L226 Difference]: Without dead ends: 704 [2022-01-10 10:01:52,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:52,134 INFO L933 BasicCegarLoop]: 708 mSDtfsCounter, 61 mSDsluCounter, 3474 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 4182 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:52,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 4182 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-01-10 10:01:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2022-01-10 10:01:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 699 states have (on average 1.3261802575107295) internal successors, (927), 703 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 927 transitions. [2022-01-10 10:01:52,203 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 927 transitions. Word has length 39 [2022-01-10 10:01:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:52,203 INFO L470 AbstractCegarLoop]: Abstraction has 704 states and 927 transitions. [2022-01-10 10:01:52,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 927 transitions. [2022-01-10 10:01:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 10:01:52,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:52,204 INFO L514 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] [2022-01-10 10:01:52,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-10 10:01:52,204 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:52,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1973196220, now seen corresponding path program 1 times [2022-01-10 10:01:52,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:52,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817134099] [2022-01-10 10:01:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:52,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:52,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:52,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817134099] [2022-01-10 10:01:52,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817134099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:52,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:52,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:52,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426915942] [2022-01-10 10:01:52,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:52,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:52,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:52,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:52,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:52,331 INFO L87 Difference]: Start difference. First operand 704 states and 927 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:52,736 INFO L93 Difference]: Finished difference Result 740 states and 962 transitions. [2022-01-10 10:01:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 10:01:52,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-01-10 10:01:52,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:52,738 INFO L225 Difference]: With dead ends: 740 [2022-01-10 10:01:52,738 INFO L226 Difference]: Without dead ends: 669 [2022-01-10 10:01:52,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-01-10 10:01:52,739 INFO L933 BasicCegarLoop]: 703 mSDtfsCounter, 490 mSDsluCounter, 4512 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 5215 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:52,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 5215 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:52,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-01-10 10:01:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 650. [2022-01-10 10:01:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 645 states have (on average 1.3224806201550388) internal successors, (853), 649 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 853 transitions. [2022-01-10 10:01:52,797 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 853 transitions. Word has length 39 [2022-01-10 10:01:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:52,797 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 853 transitions. [2022-01-10 10:01:52,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 853 transitions. [2022-01-10 10:01:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 10:01:52,798 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:52,798 INFO L514 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] [2022-01-10 10:01:52,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-10 10:01:52,799 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:52,799 INFO L85 PathProgramCache]: Analyzing trace with hash 255520202, now seen corresponding path program 1 times [2022-01-10 10:01:52,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:52,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148682880] [2022-01-10 10:01:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:52,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:52,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:52,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148682880] [2022-01-10 10:01:52,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148682880] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:52,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:52,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:52,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957374585] [2022-01-10 10:01:52,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:52,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:52,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:52,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:52,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:52,842 INFO L87 Difference]: Start difference. First operand 650 states and 853 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:52,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:52,967 INFO L93 Difference]: Finished difference Result 687 states and 890 transitions. [2022-01-10 10:01:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:52,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-01-10 10:01:52,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:52,969 INFO L225 Difference]: With dead ends: 687 [2022-01-10 10:01:52,969 INFO L226 Difference]: Without dead ends: 667 [2022-01-10 10:01:52,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:52,970 INFO L933 BasicCegarLoop]: 682 mSDtfsCounter, 21 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:52,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 1311 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-01-10 10:01:53,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 650. [2022-01-10 10:01:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 645 states have (on average 1.3209302325581396) internal successors, (852), 649 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 852 transitions. [2022-01-10 10:01:53,034 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 852 transitions. Word has length 40 [2022-01-10 10:01:53,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:53,034 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 852 transitions. [2022-01-10 10:01:53,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 852 transitions. [2022-01-10 10:01:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 10:01:53,035 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:53,035 INFO L514 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] [2022-01-10 10:01:53,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-10 10:01:53,035 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:53,036 INFO L85 PathProgramCache]: Analyzing trace with hash -588951669, now seen corresponding path program 1 times [2022-01-10 10:01:53,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:53,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893853475] [2022-01-10 10:01:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:53,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:53,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:53,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893853475] [2022-01-10 10:01:53,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893853475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:53,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:53,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:53,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361933101] [2022-01-10 10:01:53,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:53,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:53,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:53,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:53,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:53,090 INFO L87 Difference]: Start difference. First operand 650 states and 852 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:53,285 INFO L93 Difference]: Finished difference Result 676 states and 882 transitions. [2022-01-10 10:01:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:53,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-01-10 10:01:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:53,287 INFO L225 Difference]: With dead ends: 676 [2022-01-10 10:01:53,287 INFO L226 Difference]: Without dead ends: 642 [2022-01-10 10:01:53,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:53,288 INFO L933 BasicCegarLoop]: 680 mSDtfsCounter, 78 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:53,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 4012 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:53,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-01-10 10:01:53,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2022-01-10 10:01:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 637 states have (on average 1.317111459968603) internal successors, (839), 641 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 839 transitions. [2022-01-10 10:01:53,345 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 839 transitions. Word has length 40 [2022-01-10 10:01:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:53,345 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 839 transitions. [2022-01-10 10:01:53,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 839 transitions. [2022-01-10 10:01:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 10:01:53,347 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:53,347 INFO L514 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] [2022-01-10 10:01:53,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-10 10:01:53,347 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash -535931321, now seen corresponding path program 1 times [2022-01-10 10:01:53,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:53,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118889370] [2022-01-10 10:01:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:53,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:53,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:53,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118889370] [2022-01-10 10:01:53,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118889370] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:53,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:53,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:53,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260916782] [2022-01-10 10:01:53,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:53,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:53,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:53,406 INFO L87 Difference]: Start difference. First operand 642 states and 839 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:53,566 INFO L93 Difference]: Finished difference Result 659 states and 856 transitions. [2022-01-10 10:01:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:53,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-01-10 10:01:53,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:53,568 INFO L225 Difference]: With dead ends: 659 [2022-01-10 10:01:53,568 INFO L226 Difference]: Without dead ends: 634 [2022-01-10 10:01:53,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:53,568 INFO L933 BasicCegarLoop]: 664 mSDtfsCounter, 66 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 3928 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:53,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 3928 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-01-10 10:01:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2022-01-10 10:01:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 629 states have (on average 1.314785373608903) internal successors, (827), 633 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 827 transitions. [2022-01-10 10:01:53,619 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 827 transitions. Word has length 40 [2022-01-10 10:01:53,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:53,619 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 827 transitions. [2022-01-10 10:01:53,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 827 transitions. [2022-01-10 10:01:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 10:01:53,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:53,621 INFO L514 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] [2022-01-10 10:01:53,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-10 10:01:53,621 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash 360727612, now seen corresponding path program 1 times [2022-01-10 10:01:53,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:53,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259168212] [2022-01-10 10:01:53,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:53,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:53,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259168212] [2022-01-10 10:01:53,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259168212] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:53,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:53,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 10:01:53,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474624404] [2022-01-10 10:01:53,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:53,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 10:01:53,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 10:01:53,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:53,666 INFO L87 Difference]: Start difference. First operand 634 states and 827 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:53,783 INFO L93 Difference]: Finished difference Result 725 states and 924 transitions. [2022-01-10 10:01:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 10:01:53,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-01-10 10:01:53,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:53,785 INFO L225 Difference]: With dead ends: 725 [2022-01-10 10:01:53,785 INFO L226 Difference]: Without dead ends: 704 [2022-01-10 10:01:53,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:53,786 INFO L933 BasicCegarLoop]: 684 mSDtfsCounter, 260 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:53,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 2464 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:53,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-01-10 10:01:53,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 641. [2022-01-10 10:01:53,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.3128930817610063) internal successors, (835), 640 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 835 transitions. [2022-01-10 10:01:53,852 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 835 transitions. Word has length 41 [2022-01-10 10:01:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:53,853 INFO L470 AbstractCegarLoop]: Abstraction has 641 states and 835 transitions. [2022-01-10 10:01:53,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 835 transitions. [2022-01-10 10:01:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 10:01:53,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:53,854 INFO L514 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] [2022-01-10 10:01:53,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-10 10:01:53,854 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:53,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:53,854 INFO L85 PathProgramCache]: Analyzing trace with hash 604429677, now seen corresponding path program 1 times [2022-01-10 10:01:53,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:53,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843053299] [2022-01-10 10:01:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:53,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:53,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:53,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843053299] [2022-01-10 10:01:53,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843053299] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:53,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:53,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 10:01:53,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794440687] [2022-01-10 10:01:53,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:53,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 10:01:53,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 10:01:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:53,950 INFO L87 Difference]: Start difference. First operand 641 states and 835 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:54,093 INFO L93 Difference]: Finished difference Result 810 states and 1046 transitions. [2022-01-10 10:01:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:54,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-01-10 10:01:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:54,095 INFO L225 Difference]: With dead ends: 810 [2022-01-10 10:01:54,095 INFO L226 Difference]: Without dead ends: 675 [2022-01-10 10:01:54,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:54,096 INFO L933 BasicCegarLoop]: 703 mSDtfsCounter, 480 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:54,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 2291 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:54,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-01-10 10:01:54,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 627. [2022-01-10 10:01:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 622 states have (on average 1.3070739549839228) internal successors, (813), 626 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 813 transitions. [2022-01-10 10:01:54,173 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 813 transitions. Word has length 41 [2022-01-10 10:01:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:54,174 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 813 transitions. [2022-01-10 10:01:54,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 813 transitions. [2022-01-10 10:01:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 10:01:54,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:54,176 INFO L514 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] [2022-01-10 10:01:54,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-10 10:01:54,176 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1205771459, now seen corresponding path program 1 times [2022-01-10 10:01:54,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:54,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065743726] [2022-01-10 10:01:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:54,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:54,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:54,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065743726] [2022-01-10 10:01:54,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065743726] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:54,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:54,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 10:01:54,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397348862] [2022-01-10 10:01:54,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:54,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 10:01:54,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 10:01:54,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 10:01:54,272 INFO L87 Difference]: Start difference. First operand 627 states and 813 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:54,493 INFO L93 Difference]: Finished difference Result 664 states and 850 transitions. [2022-01-10 10:01:54,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 10:01:54,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-10 10:01:54,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:54,495 INFO L225 Difference]: With dead ends: 664 [2022-01-10 10:01:54,495 INFO L226 Difference]: Without dead ends: 644 [2022-01-10 10:01:54,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 10:01:54,496 INFO L933 BasicCegarLoop]: 650 mSDtfsCounter, 100 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:54,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 4470 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:54,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2022-01-10 10:01:54,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 627. [2022-01-10 10:01:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 622 states have (on average 1.3054662379421222) internal successors, (812), 626 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 812 transitions. [2022-01-10 10:01:54,566 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 812 transitions. Word has length 42 [2022-01-10 10:01:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:54,566 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 812 transitions. [2022-01-10 10:01:54,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 812 transitions. [2022-01-10 10:01:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 10:01:54,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:54,567 INFO L514 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] [2022-01-10 10:01:54,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-10 10:01:54,568 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash 361299588, now seen corresponding path program 1 times [2022-01-10 10:01:54,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:54,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382305468] [2022-01-10 10:01:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:54,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:54,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:54,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382305468] [2022-01-10 10:01:54,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382305468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:54,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:54,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 10:01:54,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115438728] [2022-01-10 10:01:54,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:54,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 10:01:54,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:54,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 10:01:54,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 10:01:54,649 INFO L87 Difference]: Start difference. First operand 627 states and 812 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:54,942 INFO L93 Difference]: Finished difference Result 739 states and 941 transitions. [2022-01-10 10:01:54,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:54,942 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-01-10 10:01:54,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:54,943 INFO L225 Difference]: With dead ends: 739 [2022-01-10 10:01:54,943 INFO L226 Difference]: Without dead ends: 599 [2022-01-10 10:01:54,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 10:01:54,944 INFO L933 BasicCegarLoop]: 631 mSDtfsCounter, 249 mSDsluCounter, 3644 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:54,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 4275 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 10:01:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-01-10 10:01:54,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 542. [2022-01-10 10:01:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 537 states have (on average 1.2942271880819367) internal successors, (695), 541 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 695 transitions. [2022-01-10 10:01:55,000 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 695 transitions. Word has length 42 [2022-01-10 10:01:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:55,000 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 695 transitions. [2022-01-10 10:01:55,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 695 transitions. [2022-01-10 10:01:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 10:01:55,001 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:55,001 INFO L514 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] [2022-01-10 10:01:55,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-10 10:01:55,001 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:55,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:55,002 INFO L85 PathProgramCache]: Analyzing trace with hash 683185708, now seen corresponding path program 1 times [2022-01-10 10:01:55,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:55,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42344638] [2022-01-10 10:01:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:55,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:55,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:55,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42344638] [2022-01-10 10:01:55,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42344638] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:55,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:55,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 10:01:55,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703154930] [2022-01-10 10:01:55,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:55,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 10:01:55,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:55,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 10:01:55,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-01-10 10:01:55,090 INFO L87 Difference]: Start difference. First operand 542 states and 695 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:55,353 INFO L93 Difference]: Finished difference Result 644 states and 813 transitions. [2022-01-10 10:01:55,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 10:01:55,353 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-01-10 10:01:55,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:55,354 INFO L225 Difference]: With dead ends: 644 [2022-01-10 10:01:55,354 INFO L226 Difference]: Without dead ends: 529 [2022-01-10 10:01:55,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-01-10 10:01:55,355 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 222 mSDsluCounter, 4335 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 4873 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:55,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 4873 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-01-10 10:01:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 481. [2022-01-10 10:01:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.2668067226890756) internal successors, (603), 480 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 603 transitions. [2022-01-10 10:01:55,400 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 603 transitions. Word has length 43 [2022-01-10 10:01:55,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:55,400 INFO L470 AbstractCegarLoop]: Abstraction has 481 states and 603 transitions. [2022-01-10 10:01:55,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 603 transitions. [2022-01-10 10:01:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 10:01:55,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:55,401 INFO L514 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] [2022-01-10 10:01:55,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-10 10:01:55,401 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:55,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:55,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1061741842, now seen corresponding path program 1 times [2022-01-10 10:01:55,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:55,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719076762] [2022-01-10 10:01:55,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:55,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:55,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:55,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719076762] [2022-01-10 10:01:55,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719076762] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:55,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:55,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:55,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335505522] [2022-01-10 10:01:55,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:55,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:55,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:55,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:55,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:55,454 INFO L87 Difference]: Start difference. First operand 481 states and 603 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:55,603 INFO L93 Difference]: Finished difference Result 602 states and 762 transitions. [2022-01-10 10:01:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:55,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-01-10 10:01:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:55,604 INFO L225 Difference]: With dead ends: 602 [2022-01-10 10:01:55,604 INFO L226 Difference]: Without dead ends: 481 [2022-01-10 10:01:55,605 INFO L932 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 [2022-01-10 10:01:55,605 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 468 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:55,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [468 Valid, 769 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-01-10 10:01:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2022-01-10 10:01:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.2626050420168067) internal successors, (601), 480 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 601 transitions. [2022-01-10 10:01:55,664 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 601 transitions. Word has length 43 [2022-01-10 10:01:55,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:55,664 INFO L470 AbstractCegarLoop]: Abstraction has 481 states and 601 transitions. [2022-01-10 10:01:55,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 601 transitions. [2022-01-10 10:01:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 10:01:55,665 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:55,665 INFO L514 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] [2022-01-10 10:01:55,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-10 10:01:55,665 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:55,666 INFO L85 PathProgramCache]: Analyzing trace with hash 635165710, now seen corresponding path program 1 times [2022-01-10 10:01:55,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:55,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129590637] [2022-01-10 10:01:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:55,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:55,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:55,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129590637] [2022-01-10 10:01:55,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129590637] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:55,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:55,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:55,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65155816] [2022-01-10 10:01:55,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:55,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:55,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:55,740 INFO L87 Difference]: Start difference. First operand 481 states and 601 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:55,884 INFO L93 Difference]: Finished difference Result 497 states and 617 transitions. [2022-01-10 10:01:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:55,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 10:01:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:55,885 INFO L225 Difference]: With dead ends: 497 [2022-01-10 10:01:55,885 INFO L226 Difference]: Without dead ends: 438 [2022-01-10 10:01:55,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:55,886 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 98 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:55,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 3615 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:55,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-01-10 10:01:55,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2022-01-10 10:01:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 433 states have (on average 1.2655889145496535) internal successors, (548), 437 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 548 transitions. [2022-01-10 10:01:55,925 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 548 transitions. Word has length 44 [2022-01-10 10:01:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:55,925 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 548 transitions. [2022-01-10 10:01:55,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 548 transitions. [2022-01-10 10:01:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 10:01:55,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:55,926 INFO L514 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] [2022-01-10 10:01:55,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-10 10:01:55,926 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:55,927 INFO L85 PathProgramCache]: Analyzing trace with hash -389773618, now seen corresponding path program 1 times [2022-01-10 10:01:55,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:55,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057490407] [2022-01-10 10:01:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:55,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:55,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:55,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057490407] [2022-01-10 10:01:55,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057490407] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:55,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:55,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:01:55,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537881726] [2022-01-10 10:01:55,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:55,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:01:55,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:55,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:01:55,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:01:55,967 INFO L87 Difference]: Start difference. First operand 438 states and 548 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:56,025 INFO L93 Difference]: Finished difference Result 472 states and 582 transitions. [2022-01-10 10:01:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:01:56,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 10:01:56,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:56,028 INFO L225 Difference]: With dead ends: 472 [2022-01-10 10:01:56,028 INFO L226 Difference]: Without dead ends: 452 [2022-01-10 10:01:56,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:01:56,028 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 43 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:56,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 1204 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:56,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-01-10 10:01:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 438. [2022-01-10 10:01:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 433 states have (on average 1.2632794457274827) internal successors, (547), 437 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 547 transitions. [2022-01-10 10:01:56,071 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 547 transitions. Word has length 44 [2022-01-10 10:01:56,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:56,071 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 547 transitions. [2022-01-10 10:01:56,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 547 transitions. [2022-01-10 10:01:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 10:01:56,072 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:56,072 INFO L514 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] [2022-01-10 10:01:56,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-10 10:01:56,072 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:56,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1234245489, now seen corresponding path program 1 times [2022-01-10 10:01:56,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:56,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7954713] [2022-01-10 10:01:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:56,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:56,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:56,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7954713] [2022-01-10 10:01:56,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7954713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:56,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:56,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 10:01:56,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707414329] [2022-01-10 10:01:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:56,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 10:01:56,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:56,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 10:01:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:01:56,127 INFO L87 Difference]: Start difference. First operand 438 states and 547 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:56,240 INFO L93 Difference]: Finished difference Result 452 states and 561 transitions. [2022-01-10 10:01:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:01:56,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 10:01:56,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:56,241 INFO L225 Difference]: With dead ends: 452 [2022-01-10 10:01:56,241 INFO L226 Difference]: Without dead ends: 412 [2022-01-10 10:01:56,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:56,242 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 60 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 2393 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:56,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 2393 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:56,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-01-10 10:01:56,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2022-01-10 10:01:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 407 states have (on average 1.2678132678132679) internal successors, (516), 411 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 516 transitions. [2022-01-10 10:01:56,291 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 516 transitions. Word has length 44 [2022-01-10 10:01:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:56,291 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 516 transitions. [2022-01-10 10:01:56,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 516 transitions. [2022-01-10 10:01:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 10:01:56,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:56,292 INFO L514 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] [2022-01-10 10:01:56,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-10 10:01:56,292 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:56,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:56,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1233963640, now seen corresponding path program 1 times [2022-01-10 10:01:56,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:56,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813035826] [2022-01-10 10:01:56,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:56,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:56,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:56,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813035826] [2022-01-10 10:01:56,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813035826] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:56,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:56,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:56,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25880846] [2022-01-10 10:01:56,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:56,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:56,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:56,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:56,322 INFO L87 Difference]: Start difference. First operand 412 states and 516 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:56,381 INFO L93 Difference]: Finished difference Result 451 states and 558 transitions. [2022-01-10 10:01:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:56,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 10:01:56,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:56,383 INFO L225 Difference]: With dead ends: 451 [2022-01-10 10:01:56,384 INFO L226 Difference]: Without dead ends: 414 [2022-01-10 10:01:56,384 INFO L932 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 [2022-01-10 10:01:56,384 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 236 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:56,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 514 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:56,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-01-10 10:01:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2022-01-10 10:01:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 404 states have (on average 1.2648514851485149) internal successors, (511), 408 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 511 transitions. [2022-01-10 10:01:56,434 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 511 transitions. Word has length 44 [2022-01-10 10:01:56,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:56,434 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 511 transitions. [2022-01-10 10:01:56,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 511 transitions. [2022-01-10 10:01:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 10:01:56,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:56,436 INFO L514 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] [2022-01-10 10:01:56,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-10 10:01:56,437 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:56,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:56,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1943163381, now seen corresponding path program 1 times [2022-01-10 10:01:56,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:56,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769819590] [2022-01-10 10:01:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:56,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:56,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:56,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769819590] [2022-01-10 10:01:56,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769819590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:56,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:56,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:56,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119169661] [2022-01-10 10:01:56,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:56,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:56,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:56,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:56,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:56,475 INFO L87 Difference]: Start difference. First operand 409 states and 511 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:56,589 INFO L93 Difference]: Finished difference Result 499 states and 619 transitions. [2022-01-10 10:01:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:56,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-01-10 10:01:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:56,590 INFO L225 Difference]: With dead ends: 499 [2022-01-10 10:01:56,590 INFO L226 Difference]: Without dead ends: 380 [2022-01-10 10:01:56,591 INFO L932 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 [2022-01-10 10:01:56,592 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 29 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:56,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 675 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:56,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-01-10 10:01:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 358. [2022-01-10 10:01:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 355 states have (on average 1.236619718309859) internal successors, (439), 357 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 439 transitions. [2022-01-10 10:01:56,634 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 439 transitions. Word has length 45 [2022-01-10 10:01:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:56,635 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 439 transitions. [2022-01-10 10:01:56,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 439 transitions. [2022-01-10 10:01:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 10:01:56,635 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:56,635 INFO L514 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] [2022-01-10 10:01:56,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-10 10:01:56,636 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:56,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:56,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1500235653, now seen corresponding path program 1 times [2022-01-10 10:01:56,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:56,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036680684] [2022-01-10 10:01:56,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:56,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:56,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:56,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036680684] [2022-01-10 10:01:56,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036680684] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:56,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:56,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:56,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637742912] [2022-01-10 10:01:56,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:56,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:56,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:56,749 INFO L87 Difference]: Start difference. First operand 358 states and 439 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:57,017 INFO L93 Difference]: Finished difference Result 372 states and 453 transitions. [2022-01-10 10:01:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:57,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-01-10 10:01:57,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:57,018 INFO L225 Difference]: With dead ends: 372 [2022-01-10 10:01:57,018 INFO L226 Difference]: Without dead ends: 313 [2022-01-10 10:01:57,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:57,019 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 331 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:57,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 2507 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-01-10 10:01:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2022-01-10 10:01:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 310 states have (on average 1.229032258064516) internal successors, (381), 312 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 381 transitions. [2022-01-10 10:01:57,048 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 381 transitions. Word has length 46 [2022-01-10 10:01:57,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:57,048 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 381 transitions. [2022-01-10 10:01:57,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 381 transitions. [2022-01-10 10:01:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 10:01:57,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:57,049 INFO L514 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] [2022-01-10 10:01:57,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-10 10:01:57,049 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:57,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:57,050 INFO L85 PathProgramCache]: Analyzing trace with hash 780444614, now seen corresponding path program 1 times [2022-01-10 10:01:57,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:57,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648685798] [2022-01-10 10:01:57,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:57,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:57,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:57,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648685798] [2022-01-10 10:01:57,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648685798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:57,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:57,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:57,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549714231] [2022-01-10 10:01:57,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:57,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:57,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:57,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:57,134 INFO L87 Difference]: Start difference. First operand 313 states and 381 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:57,305 INFO L93 Difference]: Finished difference Result 632 states and 766 transitions. [2022-01-10 10:01:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:57,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-10 10:01:57,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:57,306 INFO L225 Difference]: With dead ends: 632 [2022-01-10 10:01:57,307 INFO L226 Difference]: Without dead ends: 537 [2022-01-10 10:01:57,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:57,307 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 259 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:57,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 1571 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-01-10 10:01:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 320. [2022-01-10 10:01:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 317 states have (on average 1.227129337539432) internal successors, (389), 319 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 389 transitions. [2022-01-10 10:01:57,353 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 389 transitions. Word has length 47 [2022-01-10 10:01:57,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:57,353 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 389 transitions. [2022-01-10 10:01:57,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2022-01-10 10:01:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 10:01:57,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:57,354 INFO L514 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] [2022-01-10 10:01:57,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-10 10:01:57,354 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:57,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash 331747975, now seen corresponding path program 1 times [2022-01-10 10:01:57,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:57,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058393727] [2022-01-10 10:01:57,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:57,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:57,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:57,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058393727] [2022-01-10 10:01:57,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058393727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:57,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:57,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:57,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154168048] [2022-01-10 10:01:57,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:57,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:57,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:57,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:57,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:57,390 INFO L87 Difference]: Start difference. First operand 320 states and 389 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:57,466 INFO L93 Difference]: Finished difference Result 607 states and 735 transitions. [2022-01-10 10:01:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:57,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-10 10:01:57,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:57,467 INFO L225 Difference]: With dead ends: 607 [2022-01-10 10:01:57,467 INFO L226 Difference]: Without dead ends: 537 [2022-01-10 10:01:57,468 INFO L932 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 [2022-01-10 10:01:57,468 INFO L933 BasicCegarLoop]: 559 mSDtfsCounter, 286 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:57,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 816 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:57,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-01-10 10:01:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 320. [2022-01-10 10:01:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 317 states have (on average 1.220820189274448) internal successors, (387), 319 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 387 transitions. [2022-01-10 10:01:57,506 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 387 transitions. Word has length 47 [2022-01-10 10:01:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:57,507 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 387 transitions. [2022-01-10 10:01:57,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 387 transitions. [2022-01-10 10:01:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 10:01:57,508 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:57,508 INFO L514 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] [2022-01-10 10:01:57,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-10 10:01:57,508 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:57,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1774726380, now seen corresponding path program 1 times [2022-01-10 10:01:57,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:57,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360398010] [2022-01-10 10:01:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:57,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:57,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:57,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360398010] [2022-01-10 10:01:57,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360398010] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:57,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:57,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 10:01:57,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669082904] [2022-01-10 10:01:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:57,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 10:01:57,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 10:01:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:57,615 INFO L87 Difference]: Start difference. First operand 320 states and 387 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:57,865 INFO L93 Difference]: Finished difference Result 320 states and 387 transitions. [2022-01-10 10:01:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 10:01:57,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-10 10:01:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:57,866 INFO L225 Difference]: With dead ends: 320 [2022-01-10 10:01:57,866 INFO L226 Difference]: Without dead ends: 240 [2022-01-10 10:01:57,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-01-10 10:01:57,867 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 298 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:57,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 2034 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:57,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-01-10 10:01:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2022-01-10 10:01:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 238 states have (on average 1.218487394957983) internal successors, (290), 239 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 290 transitions. [2022-01-10 10:01:57,900 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 290 transitions. Word has length 49 [2022-01-10 10:01:57,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:57,900 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 290 transitions. [2022-01-10 10:01:57,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 290 transitions. [2022-01-10 10:01:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 10:01:57,901 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:57,901 INFO L514 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] [2022-01-10 10:01:57,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-10 10:01:57,901 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:57,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1049243946, now seen corresponding path program 1 times [2022-01-10 10:01:57,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:57,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375372242] [2022-01-10 10:01:57,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:57,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:57,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375372242] [2022-01-10 10:01:57,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375372242] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:57,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:57,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:57,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165032894] [2022-01-10 10:01:57,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:57,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:57,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:57,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:57,947 INFO L87 Difference]: Start difference. First operand 240 states and 290 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,040 INFO L93 Difference]: Finished difference Result 385 states and 466 transitions. [2022-01-10 10:01:58,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:58,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-10 10:01:58,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,041 INFO L225 Difference]: With dead ends: 385 [2022-01-10 10:01:58,041 INFO L226 Difference]: Without dead ends: 295 [2022-01-10 10:01:58,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:58,041 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 176 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 1602 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:58,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-01-10 10:01:58,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 151. [2022-01-10 10:01:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 150 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-01-10 10:01:58,065 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 49 [2022-01-10 10:01:58,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,065 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-01-10 10:01:58,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-01-10 10:01:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 10:01:58,066 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,066 INFO L514 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] [2022-01-10 10:01:58,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-10 10:01:58,066 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1280669836, now seen corresponding path program 1 times [2022-01-10 10:01:58,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468841878] [2022-01-10 10:01:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468841878] [2022-01-10 10:01:58,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468841878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 10:01:58,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940761123] [2022-01-10 10:01:58,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 10:01:58,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 10:01:58,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-01-10 10:01:58,151 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,400 INFO L93 Difference]: Finished difference Result 330 states and 397 transitions. [2022-01-10 10:01:58,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 10:01:58,401 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-01-10 10:01:58,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,401 INFO L225 Difference]: With dead ends: 330 [2022-01-10 10:01:58,401 INFO L226 Difference]: Without dead ends: 151 [2022-01-10 10:01:58,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2022-01-10 10:01:58,402 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 430 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 1425 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:01:58,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-01-10 10:01:58,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-01-10 10:01:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.22) internal successors, (183), 150 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 183 transitions. [2022-01-10 10:01:58,425 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 183 transitions. Word has length 57 [2022-01-10 10:01:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,426 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 183 transitions. [2022-01-10 10:01:58,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 183 transitions. [2022-01-10 10:01:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 10:01:58,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,426 INFO L514 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] [2022-01-10 10:01:58,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-10 10:01:58,427 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash -644863475, now seen corresponding path program 1 times [2022-01-10 10:01:58,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545640298] [2022-01-10 10:01:58,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545640298] [2022-01-10 10:01:58,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545640298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:58,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105495147] [2022-01-10 10:01:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:58,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:58,480 INFO L87 Difference]: Start difference. First operand 151 states and 183 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,579 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2022-01-10 10:01:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 10:01:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-01-10 10:01:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,580 INFO L225 Difference]: With dead ends: 215 [2022-01-10 10:01:58,580 INFO L226 Difference]: Without dead ends: 192 [2022-01-10 10:01:58,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-10 10:01:58,580 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 357 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 581 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-01-10 10:01:58,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 154. [2022-01-10 10:01:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.2091503267973855) internal successors, (185), 153 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2022-01-10 10:01:58,605 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 57 [2022-01-10 10:01:58,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,606 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2022-01-10 10:01:58,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2022-01-10 10:01:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 10:01:58,606 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,606 INFO L514 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] [2022-01-10 10:01:58,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-10 10:01:58,607 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,607 INFO L85 PathProgramCache]: Analyzing trace with hash -485708542, now seen corresponding path program 1 times [2022-01-10 10:01:58,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931530786] [2022-01-10 10:01:58,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931530786] [2022-01-10 10:01:58,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931530786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:58,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383640290] [2022-01-10 10:01:58,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:58,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:58,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:58,659 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,743 INFO L93 Difference]: Finished difference Result 169 states and 200 transitions. [2022-01-10 10:01:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:58,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-01-10 10:01:58,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,744 INFO L225 Difference]: With dead ends: 169 [2022-01-10 10:01:58,744 INFO L226 Difference]: Without dead ends: 89 [2022-01-10 10:01:58,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:58,744 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 45 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 846 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:58,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-01-10 10:01:58,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-01-10 10:01:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 88 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2022-01-10 10:01:58,761 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 59 [2022-01-10 10:01:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,761 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2022-01-10 10:01:58,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2022-01-10 10:01:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 10:01:58,762 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,762 INFO L514 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] [2022-01-10 10:01:58,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-10 10:01:58,762 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1652548918, now seen corresponding path program 1 times [2022-01-10 10:01:58,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048961870] [2022-01-10 10:01:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048961870] [2022-01-10 10:01:58,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048961870] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:58,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854929326] [2022-01-10 10:01:58,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:58,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:58,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:58,795 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,818 INFO L93 Difference]: Finished difference Result 161 states and 190 transitions. [2022-01-10 10:01:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:58,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-01-10 10:01:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,819 INFO L225 Difference]: With dead ends: 161 [2022-01-10 10:01:58,819 INFO L226 Difference]: Without dead ends: 89 [2022-01-10 10:01:58,819 INFO L932 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 [2022-01-10 10:01:58,819 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 97 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:58,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-01-10 10:01:58,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-01-10 10:01:58,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1590909090909092) internal successors, (102), 88 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2022-01-10 10:01:58,835 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 69 [2022-01-10 10:01:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,835 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2022-01-10 10:01:58,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2022-01-10 10:01:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-10 10:01:58,836 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,836 INFO L514 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] [2022-01-10 10:01:58,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-10 10:01:58,836 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash 556231425, now seen corresponding path program 1 times [2022-01-10 10:01:58,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682561924] [2022-01-10 10:01:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682561924] [2022-01-10 10:01:58,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682561924] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:58,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354596234] [2022-01-10 10:01:58,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:58,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:58,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:58,882 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:58,914 INFO L93 Difference]: Finished difference Result 172 states and 195 transitions. [2022-01-10 10:01:58,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:58,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-10 10:01:58,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:58,915 INFO L225 Difference]: With dead ends: 172 [2022-01-10 10:01:58,915 INFO L226 Difference]: Without dead ends: 153 [2022-01-10 10:01:58,915 INFO L932 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 [2022-01-10 10:01:58,915 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 43 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:58,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 188 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-01-10 10:01:58,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2022-01-10 10:01:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.1538461538461537) internal successors, (150), 130 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2022-01-10 10:01:58,936 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 70 [2022-01-10 10:01:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:58,937 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2022-01-10 10:01:58,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2022-01-10 10:01:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-10 10:01:58,937 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:58,937 INFO L514 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] [2022-01-10 10:01:58,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-10 10:01:58,938 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -440840928, now seen corresponding path program 1 times [2022-01-10 10:01:58,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:58,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987620512] [2022-01-10 10:01:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:58,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:58,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:58,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987620512] [2022-01-10 10:01:58,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987620512] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:58,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:58,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 10:01:58,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947488195] [2022-01-10 10:01:58,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:58,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 10:01:58,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:58,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 10:01:58,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 10:01:58,995 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:59,044 INFO L93 Difference]: Finished difference Result 150 states and 169 transitions. [2022-01-10 10:01:59,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 10:01:59,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-10 10:01:59,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:59,045 INFO L225 Difference]: With dead ends: 150 [2022-01-10 10:01:59,045 INFO L226 Difference]: Without dead ends: 129 [2022-01-10 10:01:59,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 10:01:59,046 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 130 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:59,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 286 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:59,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-01-10 10:01:59,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 88. [2022-01-10 10:01:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.1379310344827587) internal successors, (99), 87 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2022-01-10 10:01:59,062 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 70 [2022-01-10 10:01:59,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:59,062 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2022-01-10 10:01:59,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2022-01-10 10:01:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-01-10 10:01:59,062 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:59,063 INFO L514 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] [2022-01-10 10:01:59,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-10 10:01:59,063 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1901681411, now seen corresponding path program 1 times [2022-01-10 10:01:59,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402051081] [2022-01-10 10:01:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:59,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:59,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:59,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402051081] [2022-01-10 10:01:59,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402051081] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:59,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:59,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:01:59,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832589768] [2022-01-10 10:01:59,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:59,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:01:59,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:59,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:01:59,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:01:59,156 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:59,192 INFO L93 Difference]: Finished difference Result 172 states and 192 transitions. [2022-01-10 10:01:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:01:59,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-01-10 10:01:59,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:59,193 INFO L225 Difference]: With dead ends: 172 [2022-01-10 10:01:59,193 INFO L226 Difference]: Without dead ends: 151 [2022-01-10 10:01:59,194 INFO L932 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 [2022-01-10 10:01:59,194 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:59,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 199 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-01-10 10:01:59,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2022-01-10 10:01:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.1297709923664123) internal successors, (148), 131 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 148 transitions. [2022-01-10 10:01:59,222 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 148 transitions. Word has length 71 [2022-01-10 10:01:59,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:59,222 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 148 transitions. [2022-01-10 10:01:59,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2022-01-10 10:01:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-01-10 10:01:59,222 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:01:59,223 INFO L514 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] [2022-01-10 10:01:59,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-10 10:01:59,223 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (and 99 more)] === [2022-01-10 10:01:59,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:01:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1300514526, now seen corresponding path program 1 times [2022-01-10 10:01:59,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:01:59,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713858159] [2022-01-10 10:01:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:01:59,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:01:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:01:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:01:59,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:01:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713858159] [2022-01-10 10:01:59,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713858159] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:01:59,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:01:59,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 10:01:59,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608852297] [2022-01-10 10:01:59,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:01:59,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 10:01:59,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:01:59,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 10:01:59,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 10:01:59,297 INFO L87 Difference]: Start difference. First operand 132 states and 148 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:01:59,371 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2022-01-10 10:01:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 10:01:59,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-01-10 10:01:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:01:59,372 INFO L225 Difference]: With dead ends: 132 [2022-01-10 10:01:59,372 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 10:01:59,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 10:01:59,374 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 131 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 10:01:59,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 430 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 10:01:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 10:01:59,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 10:01:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 10:01:59,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2022-01-10 10:01:59,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:01:59,375 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 10:01:59,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:01:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 10:01:59,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (101 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (100 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (99 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (98 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (97 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (96 of 102 remaining) [2022-01-10 10:01:59,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (95 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (94 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (93 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (92 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (91 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (90 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (89 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (88 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (87 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (86 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (85 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (84 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (83 of 102 remaining) [2022-01-10 10:01:59,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (82 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (81 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (80 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (78 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (77 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (76 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (75 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (74 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (73 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (72 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (71 of 102 remaining) [2022-01-10 10:01:59,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (70 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (69 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (68 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (67 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (66 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (65 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (64 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (63 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (62 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (61 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (60 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (59 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (58 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (57 of 102 remaining) [2022-01-10 10:01:59,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (56 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (55 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (54 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (53 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (52 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (51 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (50 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (49 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (48 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (47 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (46 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (45 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (44 of 102 remaining) [2022-01-10 10:01:59,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (43 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (42 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (41 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (40 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (39 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (38 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (37 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (36 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (35 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (34 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (33 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (32 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (31 of 102 remaining) [2022-01-10 10:01:59,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (30 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (29 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (28 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (27 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (26 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (25 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (24 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (23 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (22 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (21 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (20 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (19 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (18 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (17 of 102 remaining) [2022-01-10 10:01:59,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (16 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (15 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (14 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (13 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (12 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (11 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (10 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (9 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (8 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (7 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (6 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (5 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (4 of 102 remaining) [2022-01-10 10:01:59,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (3 of 102 remaining) [2022-01-10 10:01:59,386 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (2 of 102 remaining) [2022-01-10 10:01:59,386 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (1 of 102 remaining) [2022-01-10 10:01:59,386 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (0 of 102 remaining) [2022-01-10 10:01:59,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-10 10:01:59,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.