/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:00:08,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:00:08,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:00:09,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:00:09,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:00:09,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:00:09,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:00:09,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:00:09,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:00:09,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:00:09,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:00:09,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:00:09,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:00:09,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:00:09,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:00:09,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:00:09,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:00:09,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:00:09,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:00:09,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:00:09,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:00:09,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:00:09,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:00:09,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:00:09,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 11:00:09,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:00:09,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:00:09,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:00:09,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:00:09,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:00:09,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:00:09,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:00:09,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:00:09,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:00:09,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:00:09,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:00:09,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 11:00:09,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:00:09,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:00:09,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:00:09,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:00:09,227 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:00:09,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:00:09,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:00:09,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:00:09,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:00:09,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:00:09,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:00:09,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:00:09,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:00:09,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:00:09,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:00:09,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:00:09,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:00:09,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:00:09,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:00:09,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:00:09,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:00:09,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:00:09,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:00:09,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:00:09,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:00:09,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:00:09,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:00:09,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:00:09,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:00:09,680 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:00:09,683 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:00:09,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 11:00:09,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c913e9ed1/105febda349c4c809b3fb054bb3d7e1d/FLAG4653c6e7d [2020-12-23 11:00:10,637 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:00:10,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 11:00:10,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c913e9ed1/105febda349c4c809b3fb054bb3d7e1d/FLAG4653c6e7d [2020-12-23 11:00:10,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c913e9ed1/105febda349c4c809b3fb054bb3d7e1d [2020-12-23 11:00:10,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:00:10,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:00:10,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:00:10,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:00:10,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:00:10,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:00:10" (1/1) ... [2020-12-23 11:00:10,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@903f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:10, skipping insertion in model container [2020-12-23 11:00:10,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:00:10" (1/1) ... [2020-12-23 11:00:10,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:00:10,892 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1394~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_2202~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1532~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1599~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:00:11,152 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[6715,6728] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_1834~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:00:11,173 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9402,9415] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2011~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 11:00:11,183 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10493,10506] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2169~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:00:11,192 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11099,11112] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_1751~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 11:00:11,214 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12518,12531] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_1900~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:00:11,220 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13124,13137] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2089~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] [2020-12-23 11:00:11,229 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14053,14066] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2235~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2136~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2044~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_1963~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_1867~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_1798~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_1690~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_1467~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] [2020-12-23 11:00:11,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:00:11,312 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1394~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_2202~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1532~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1599~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:00:11,376 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[6715,6728] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_1834~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 11:00:11,404 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9402,9415] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~3,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2011~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 11:00:11,416 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10493,10506] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2169~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 11:00:11,423 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11099,11112] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~3,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~4,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_1751~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 11:00:11,431 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12518,12531] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_1900~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 11:00:11,435 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13124,13137] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~5,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2089~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~8,] [2020-12-23 11:00:11,440 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14053,14066] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2235~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2136~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~9,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~6,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2044~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~10,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__return_1963~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~11,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~4,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~7,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__return_1867~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_13~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~12,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__return_1798~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_14~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~13,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~8,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__return_1690~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_15~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~14,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__return_1467~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_16~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~15,] [2020-12-23 11:00:11,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:00:11,523 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:00:11,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11 WrapperNode [2020-12-23 11:00:11,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:00:11,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:00:11,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:00:11,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:00:11,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:00:11,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:00:11,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:00:11,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:00:11,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... [2020-12-23 11:00:11,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:00:11,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:00:11,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:00:11,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:00:11,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:00:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:00:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:00:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:00:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:00:13,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:00:13,071 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 11:00:13,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:00:13 BoogieIcfgContainer [2020-12-23 11:00:13,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:00:13,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:00:13,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:00:13,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:00:13,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:00:10" (1/3) ... [2020-12-23 11:00:13,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b335df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:00:13, skipping insertion in model container [2020-12-23 11:00:13,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:00:11" (2/3) ... [2020-12-23 11:00:13,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b335df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:00:13, skipping insertion in model container [2020-12-23 11:00:13,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:00:13" (3/3) ... [2020-12-23 11:00:13,083 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 11:00:13,090 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:00:13,095 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-23 11:00:13,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-23 11:00:13,143 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:00:13,143 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:00:13,143 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:00:13,143 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:00:13,143 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:00:13,144 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:00:13,144 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:00:13,144 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:00:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 11:00:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 11:00:13,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:13,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:13,178 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1899747950, now seen corresponding path program 1 times [2020-12-23 11:00:13,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:13,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817285921] [2020-12-23 11:00:13,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:13,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817285921] [2020-12-23 11:00:13,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:13,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:00:13,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925886779] [2020-12-23 11:00:13,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:00:13,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:13,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:00:13,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:13,598 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 5 states. [2020-12-23 11:00:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:13,953 INFO L93 Difference]: Finished difference Result 422 states and 704 transitions. [2020-12-23 11:00:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:00:13,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 11:00:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:13,975 INFO L225 Difference]: With dead ends: 422 [2020-12-23 11:00:13,975 INFO L226 Difference]: Without dead ends: 258 [2020-12-23 11:00:13,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:00:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-12-23 11:00:14,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 234. [2020-12-23 11:00:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-12-23 11:00:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 307 transitions. [2020-12-23 11:00:14,052 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 307 transitions. Word has length 46 [2020-12-23 11:00:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:14,052 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 307 transitions. [2020-12-23 11:00:14,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:00:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 307 transitions. [2020-12-23 11:00:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 11:00:14,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:14,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:14,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:00:14,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:14,102 INFO L82 PathProgramCache]: Analyzing trace with hash -121525429, now seen corresponding path program 1 times [2020-12-23 11:00:14,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:14,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162276799] [2020-12-23 11:00:14,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:14,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162276799] [2020-12-23 11:00:14,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:14,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:00:14,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243466657] [2020-12-23 11:00:14,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:00:14,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:14,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:00:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:14,331 INFO L87 Difference]: Start difference. First operand 234 states and 307 transitions. Second operand 5 states. [2020-12-23 11:00:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:14,512 INFO L93 Difference]: Finished difference Result 417 states and 560 transitions. [2020-12-23 11:00:14,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:00:14,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 11:00:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:14,515 INFO L225 Difference]: With dead ends: 417 [2020-12-23 11:00:14,516 INFO L226 Difference]: Without dead ends: 224 [2020-12-23 11:00:14,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:00:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-12-23 11:00:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-12-23 11:00:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-12-23 11:00:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 293 transitions. [2020-12-23 11:00:14,540 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 293 transitions. Word has length 47 [2020-12-23 11:00:14,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:14,540 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 293 transitions. [2020-12-23 11:00:14,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:00:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 293 transitions. [2020-12-23 11:00:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 11:00:14,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:14,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:14,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:00:14,544 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:14,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:14,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1668920151, now seen corresponding path program 1 times [2020-12-23 11:00:14,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:14,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493261705] [2020-12-23 11:00:14,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:14,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493261705] [2020-12-23 11:00:14,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:14,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:00:14,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451248773] [2020-12-23 11:00:14,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:00:14,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:14,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:00:14,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:14,697 INFO L87 Difference]: Start difference. First operand 224 states and 293 transitions. Second operand 5 states. [2020-12-23 11:00:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:14,853 INFO L93 Difference]: Finished difference Result 407 states and 544 transitions. [2020-12-23 11:00:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:00:14,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 11:00:14,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:14,864 INFO L225 Difference]: With dead ends: 407 [2020-12-23 11:00:14,864 INFO L226 Difference]: Without dead ends: 216 [2020-12-23 11:00:14,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:00:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-12-23 11:00:14,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-12-23 11:00:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-23 11:00:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2020-12-23 11:00:14,888 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 48 [2020-12-23 11:00:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:14,889 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2020-12-23 11:00:14,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:00:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2020-12-23 11:00:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 11:00:14,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:14,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:14,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:00:14,891 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:14,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:14,892 INFO L82 PathProgramCache]: Analyzing trace with hash -453133940, now seen corresponding path program 1 times [2020-12-23 11:00:14,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:14,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175633631] [2020-12-23 11:00:14,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:15,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175633631] [2020-12-23 11:00:15,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:15,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:00:15,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530237383] [2020-12-23 11:00:15,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:00:15,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:15,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:00:15,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:00:15,146 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand 9 states. [2020-12-23 11:00:15,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:15,764 INFO L93 Difference]: Finished difference Result 531 states and 735 transitions. [2020-12-23 11:00:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 11:00:15,764 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-12-23 11:00:15,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:15,770 INFO L225 Difference]: With dead ends: 531 [2020-12-23 11:00:15,771 INFO L226 Difference]: Without dead ends: 526 [2020-12-23 11:00:15,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-23 11:00:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-12-23 11:00:15,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 216. [2020-12-23 11:00:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-23 11:00:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 281 transitions. [2020-12-23 11:00:15,814 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 281 transitions. Word has length 49 [2020-12-23 11:00:15,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:15,815 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 281 transitions. [2020-12-23 11:00:15,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:00:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 281 transitions. [2020-12-23 11:00:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 11:00:15,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:15,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:15,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 11:00:15,828 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1459063162, now seen corresponding path program 1 times [2020-12-23 11:00:15,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:15,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643907238] [2020-12-23 11:00:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:16,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643907238] [2020-12-23 11:00:16,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:16,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:00:16,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578395753] [2020-12-23 11:00:16,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:00:16,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:16,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:00:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:00:16,038 INFO L87 Difference]: Start difference. First operand 216 states and 281 transitions. Second operand 9 states. [2020-12-23 11:00:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:16,967 INFO L93 Difference]: Finished difference Result 623 states and 870 transitions. [2020-12-23 11:00:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:00:16,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-12-23 11:00:16,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:16,971 INFO L225 Difference]: With dead ends: 623 [2020-12-23 11:00:16,971 INFO L226 Difference]: Without dead ends: 522 [2020-12-23 11:00:16,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:00:16,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-12-23 11:00:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 216. [2020-12-23 11:00:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-23 11:00:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 280 transitions. [2020-12-23 11:00:16,999 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 280 transitions. Word has length 49 [2020-12-23 11:00:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:17,000 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 280 transitions. [2020-12-23 11:00:17,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:00:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 280 transitions. [2020-12-23 11:00:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 11:00:17,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:17,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:17,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 11:00:17,002 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:17,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:17,003 INFO L82 PathProgramCache]: Analyzing trace with hash 8857914, now seen corresponding path program 1 times [2020-12-23 11:00:17,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:17,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592378166] [2020-12-23 11:00:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:17,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592378166] [2020-12-23 11:00:17,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:17,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:00:17,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891855401] [2020-12-23 11:00:17,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:00:17,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:17,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:00:17,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:00:17,145 INFO L87 Difference]: Start difference. First operand 216 states and 280 transitions. Second operand 8 states. [2020-12-23 11:00:17,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:17,565 INFO L93 Difference]: Finished difference Result 460 states and 615 transitions. [2020-12-23 11:00:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:00:17,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-12-23 11:00:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:17,568 INFO L225 Difference]: With dead ends: 460 [2020-12-23 11:00:17,569 INFO L226 Difference]: Without dead ends: 336 [2020-12-23 11:00:17,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:00:17,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-12-23 11:00:17,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 216. [2020-12-23 11:00:17,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-23 11:00:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 279 transitions. [2020-12-23 11:00:17,593 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 279 transitions. Word has length 49 [2020-12-23 11:00:17,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:17,593 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 279 transitions. [2020-12-23 11:00:17,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:00:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 279 transitions. [2020-12-23 11:00:17,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 11:00:17,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:17,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:17,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 11:00:17,595 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:17,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:17,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1308237609, now seen corresponding path program 1 times [2020-12-23 11:00:17,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:17,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304838147] [2020-12-23 11:00:17,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:18,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304838147] [2020-12-23 11:00:18,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:18,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:00:18,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835556191] [2020-12-23 11:00:18,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:00:18,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:18,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:00:18,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:00:18,192 INFO L87 Difference]: Start difference. First operand 216 states and 279 transitions. Second operand 19 states. [2020-12-23 11:00:18,340 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-12-23 11:00:18,867 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-23 11:00:20,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:20,250 INFO L93 Difference]: Finished difference Result 404 states and 530 transitions. [2020-12-23 11:00:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:00:20,251 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2020-12-23 11:00:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:20,254 INFO L225 Difference]: With dead ends: 404 [2020-12-23 11:00:20,254 INFO L226 Difference]: Without dead ends: 400 [2020-12-23 11:00:20,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=250, Invalid=1082, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 11:00:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-12-23 11:00:20,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 220. [2020-12-23 11:00:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-12-23 11:00:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 285 transitions. [2020-12-23 11:00:20,282 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 285 transitions. Word has length 51 [2020-12-23 11:00:20,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:20,282 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 285 transitions. [2020-12-23 11:00:20,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:00:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2020-12-23 11:00:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 11:00:20,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:20,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:20,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 11:00:20,284 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash 766441193, now seen corresponding path program 1 times [2020-12-23 11:00:20,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:20,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575122525] [2020-12-23 11:00:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:20,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575122525] [2020-12-23 11:00:20,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:20,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:00:20,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179652887] [2020-12-23 11:00:20,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:00:20,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:20,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:00:20,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:00:20,867 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand 19 states. [2020-12-23 11:00:21,062 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-23 11:00:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:23,058 INFO L93 Difference]: Finished difference Result 473 states and 644 transitions. [2020-12-23 11:00:23,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 11:00:23,059 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2020-12-23 11:00:23,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:23,062 INFO L225 Difference]: With dead ends: 473 [2020-12-23 11:00:23,062 INFO L226 Difference]: Without dead ends: 385 [2020-12-23 11:00:23,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=239, Invalid=883, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 11:00:23,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-12-23 11:00:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 226. [2020-12-23 11:00:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-23 11:00:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 293 transitions. [2020-12-23 11:00:23,103 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 293 transitions. Word has length 51 [2020-12-23 11:00:23,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:23,104 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 293 transitions. [2020-12-23 11:00:23,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:00:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 293 transitions. [2020-12-23 11:00:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 11:00:23,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:23,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:23,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 11:00:23,107 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:23,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1014075955, now seen corresponding path program 1 times [2020-12-23 11:00:23,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:23,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177860236] [2020-12-23 11:00:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:23,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177860236] [2020-12-23 11:00:23,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:23,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 11:00:23,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314099339] [2020-12-23 11:00:23,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:00:23,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:23,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:00:23,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:00:23,797 INFO L87 Difference]: Start difference. First operand 226 states and 293 transitions. Second operand 19 states. [2020-12-23 11:00:24,063 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-12-23 11:00:24,646 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-23 11:00:24,844 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 11:00:25,008 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 11:00:25,162 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 11:00:25,495 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 11:00:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:26,870 INFO L93 Difference]: Finished difference Result 504 states and 696 transitions. [2020-12-23 11:00:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 11:00:26,871 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2020-12-23 11:00:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:26,874 INFO L225 Difference]: With dead ends: 504 [2020-12-23 11:00:26,874 INFO L226 Difference]: Without dead ends: 498 [2020-12-23 11:00:26,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 11:00:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-12-23 11:00:26,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 226. [2020-12-23 11:00:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-23 11:00:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 292 transitions. [2020-12-23 11:00:26,904 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 292 transitions. Word has length 51 [2020-12-23 11:00:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:26,904 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 292 transitions. [2020-12-23 11:00:26,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:00:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 292 transitions. [2020-12-23 11:00:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 11:00:26,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:26,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:26,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 11:00:26,906 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:26,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:26,906 INFO L82 PathProgramCache]: Analyzing trace with hash -480854780, now seen corresponding path program 1 times [2020-12-23 11:00:26,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:26,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655923061] [2020-12-23 11:00:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:27,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655923061] [2020-12-23 11:00:27,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:27,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 11:00:27,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837519120] [2020-12-23 11:00:27,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:00:27,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:27,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:00:27,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:00:27,277 INFO L87 Difference]: Start difference. First operand 226 states and 292 transitions. Second operand 11 states. [2020-12-23 11:00:28,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:28,166 INFO L93 Difference]: Finished difference Result 434 states and 592 transitions. [2020-12-23 11:00:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 11:00:28,167 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2020-12-23 11:00:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:28,169 INFO L225 Difference]: With dead ends: 434 [2020-12-23 11:00:28,169 INFO L226 Difference]: Without dead ends: 349 [2020-12-23 11:00:28,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-12-23 11:00:28,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-12-23 11:00:28,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 225. [2020-12-23 11:00:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-23 11:00:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 290 transitions. [2020-12-23 11:00:28,210 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 290 transitions. Word has length 51 [2020-12-23 11:00:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:28,210 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 290 transitions. [2020-12-23 11:00:28,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:00:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 290 transitions. [2020-12-23 11:00:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:28,211 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:28,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:28,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:00:28,211 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:28,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1185149594, now seen corresponding path program 1 times [2020-12-23 11:00:28,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:28,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791255525] [2020-12-23 11:00:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:28,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791255525] [2020-12-23 11:00:28,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:28,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:00:28,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581845641] [2020-12-23 11:00:28,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:00:28,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:28,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:00:28,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:00:28,330 INFO L87 Difference]: Start difference. First operand 225 states and 290 transitions. Second operand 9 states. [2020-12-23 11:00:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:28,839 INFO L93 Difference]: Finished difference Result 360 states and 472 transitions. [2020-12-23 11:00:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 11:00:28,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-12-23 11:00:28,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:28,844 INFO L225 Difference]: With dead ends: 360 [2020-12-23 11:00:28,844 INFO L226 Difference]: Without dead ends: 353 [2020-12-23 11:00:28,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:00:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-12-23 11:00:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 225. [2020-12-23 11:00:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-23 11:00:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 288 transitions. [2020-12-23 11:00:28,885 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 288 transitions. Word has length 52 [2020-12-23 11:00:28,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:28,886 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 288 transitions. [2020-12-23 11:00:28,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:00:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2020-12-23 11:00:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:28,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:28,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:28,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:00:28,887 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:28,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:28,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1721906586, now seen corresponding path program 1 times [2020-12-23 11:00:28,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:28,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950087263] [2020-12-23 11:00:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:29,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950087263] [2020-12-23 11:00:29,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:29,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:00:29,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707758744] [2020-12-23 11:00:29,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:00:29,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:29,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:00:29,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:00:29,083 INFO L87 Difference]: Start difference. First operand 225 states and 288 transitions. Second operand 10 states. [2020-12-23 11:00:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:30,211 INFO L93 Difference]: Finished difference Result 564 states and 775 transitions. [2020-12-23 11:00:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 11:00:30,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-12-23 11:00:30,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:30,215 INFO L225 Difference]: With dead ends: 564 [2020-12-23 11:00:30,215 INFO L226 Difference]: Without dead ends: 462 [2020-12-23 11:00:30,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:00:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-12-23 11:00:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 225. [2020-12-23 11:00:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-23 11:00:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 287 transitions. [2020-12-23 11:00:30,260 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 287 transitions. Word has length 52 [2020-12-23 11:00:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:30,260 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 287 transitions. [2020-12-23 11:00:30,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:00:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 287 transitions. [2020-12-23 11:00:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:30,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:30,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:30,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 11:00:30,262 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:30,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:30,263 INFO L82 PathProgramCache]: Analyzing trace with hash -314743810, now seen corresponding path program 1 times [2020-12-23 11:00:30,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:30,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522425478] [2020-12-23 11:00:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:30,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522425478] [2020-12-23 11:00:30,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:30,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-23 11:00:30,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749674061] [2020-12-23 11:00:30,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 11:00:30,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:30,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 11:00:30,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-12-23 11:00:30,935 INFO L87 Difference]: Start difference. First operand 225 states and 287 transitions. Second operand 16 states. [2020-12-23 11:00:31,512 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-23 11:00:31,740 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-23 11:00:32,026 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-23 11:00:32,310 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-23 11:00:32,742 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 11:00:33,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:33,972 INFO L93 Difference]: Finished difference Result 616 states and 848 transitions. [2020-12-23 11:00:33,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 11:00:33,973 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 52 [2020-12-23 11:00:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:33,977 INFO L225 Difference]: With dead ends: 616 [2020-12-23 11:00:33,977 INFO L226 Difference]: Without dead ends: 600 [2020-12-23 11:00:33,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:00:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-12-23 11:00:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 217. [2020-12-23 11:00:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 11:00:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 277 transitions. [2020-12-23 11:00:34,031 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 277 transitions. Word has length 52 [2020-12-23 11:00:34,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:34,031 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 277 transitions. [2020-12-23 11:00:34,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 11:00:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 277 transitions. [2020-12-23 11:00:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:34,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:34,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:34,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 11:00:34,033 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:34,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:34,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1294616090, now seen corresponding path program 1 times [2020-12-23 11:00:34,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:34,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153861955] [2020-12-23 11:00:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:34,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153861955] [2020-12-23 11:00:34,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:34,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:00:34,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728799525] [2020-12-23 11:00:34,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:00:34,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:34,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:00:34,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:00:34,223 INFO L87 Difference]: Start difference. First operand 217 states and 277 transitions. Second operand 11 states. [2020-12-23 11:00:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:36,266 INFO L93 Difference]: Finished difference Result 1003 states and 1421 transitions. [2020-12-23 11:00:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:00:36,267 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-12-23 11:00:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:36,272 INFO L225 Difference]: With dead ends: 1003 [2020-12-23 11:00:36,272 INFO L226 Difference]: Without dead ends: 996 [2020-12-23 11:00:36,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:00:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-12-23 11:00:36,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 217. [2020-12-23 11:00:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 11:00:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 276 transitions. [2020-12-23 11:00:36,326 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 276 transitions. Word has length 52 [2020-12-23 11:00:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:36,326 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 276 transitions. [2020-12-23 11:00:36,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:00:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2020-12-23 11:00:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:36,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:36,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:36,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 11:00:36,327 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:36,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:36,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1671010270, now seen corresponding path program 1 times [2020-12-23 11:00:36,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:36,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5296247] [2020-12-23 11:00:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:36,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5296247] [2020-12-23 11:00:36,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:36,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-23 11:00:36,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883756888] [2020-12-23 11:00:36,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 11:00:36,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:36,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 11:00:36,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-12-23 11:00:36,734 INFO L87 Difference]: Start difference. First operand 217 states and 276 transitions. Second operand 15 states. [2020-12-23 11:00:37,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:37,915 INFO L93 Difference]: Finished difference Result 441 states and 590 transitions. [2020-12-23 11:00:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 11:00:37,920 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2020-12-23 11:00:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:37,922 INFO L225 Difference]: With dead ends: 441 [2020-12-23 11:00:37,923 INFO L226 Difference]: Without dead ends: 353 [2020-12-23 11:00:37,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-12-23 11:00:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-12-23 11:00:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 211. [2020-12-23 11:00:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-23 11:00:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 268 transitions. [2020-12-23 11:00:37,971 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 268 transitions. Word has length 52 [2020-12-23 11:00:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:37,972 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 268 transitions. [2020-12-23 11:00:37,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 11:00:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 268 transitions. [2020-12-23 11:00:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 11:00:37,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:37,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:37,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 11:00:37,973 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:37,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:37,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1834026902, now seen corresponding path program 1 times [2020-12-23 11:00:37,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:37,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75008412] [2020-12-23 11:00:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:38,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75008412] [2020-12-23 11:00:38,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:38,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 11:00:38,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441957802] [2020-12-23 11:00:38,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 11:00:38,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:38,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 11:00:38,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:00:38,342 INFO L87 Difference]: Start difference. First operand 211 states and 268 transitions. Second operand 13 states. [2020-12-23 11:00:39,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:39,702 INFO L93 Difference]: Finished difference Result 879 states and 1246 transitions. [2020-12-23 11:00:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 11:00:39,704 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2020-12-23 11:00:39,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:39,708 INFO L225 Difference]: With dead ends: 879 [2020-12-23 11:00:39,708 INFO L226 Difference]: Without dead ends: 847 [2020-12-23 11:00:39,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-12-23 11:00:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-12-23 11:00:39,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 179. [2020-12-23 11:00:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 11:00:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2020-12-23 11:00:39,763 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 52 [2020-12-23 11:00:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:39,763 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2020-12-23 11:00:39,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 11:00:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2020-12-23 11:00:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 11:00:39,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:39,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:39,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 11:00:39,764 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:39,765 INFO L82 PathProgramCache]: Analyzing trace with hash -988369889, now seen corresponding path program 1 times [2020-12-23 11:00:39,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:39,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952730163] [2020-12-23 11:00:39,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:39,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952730163] [2020-12-23 11:00:39,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:39,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:00:39,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111343702] [2020-12-23 11:00:39,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:00:39,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:39,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:00:39,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:00:39,889 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand 9 states. [2020-12-23 11:00:40,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:40,444 INFO L93 Difference]: Finished difference Result 328 states and 450 transitions. [2020-12-23 11:00:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 11:00:40,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-12-23 11:00:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:40,446 INFO L225 Difference]: With dead ends: 328 [2020-12-23 11:00:40,446 INFO L226 Difference]: Without dead ends: 226 [2020-12-23 11:00:40,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-23 11:00:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-12-23 11:00:40,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 179. [2020-12-23 11:00:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 11:00:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2020-12-23 11:00:40,493 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 53 [2020-12-23 11:00:40,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:40,493 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2020-12-23 11:00:40,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:00:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2020-12-23 11:00:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 11:00:40,494 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:40,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:40,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 11:00:40,495 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:40,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:40,495 INFO L82 PathProgramCache]: Analyzing trace with hash 653628022, now seen corresponding path program 1 times [2020-12-23 11:00:40,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:40,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167820293] [2020-12-23 11:00:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:41,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167820293] [2020-12-23 11:00:41,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:41,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:00:41,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202211494] [2020-12-23 11:00:41,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:00:41,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:41,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:00:41,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:00:41,008 INFO L87 Difference]: Start difference. First operand 179 states and 232 transitions. Second operand 18 states. [2020-12-23 11:00:41,214 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-12-23 11:00:41,832 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-12-23 11:00:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:42,908 INFO L93 Difference]: Finished difference Result 303 states and 404 transitions. [2020-12-23 11:00:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 11:00:42,908 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 54 [2020-12-23 11:00:42,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:42,910 INFO L225 Difference]: With dead ends: 303 [2020-12-23 11:00:42,910 INFO L226 Difference]: Without dead ends: 295 [2020-12-23 11:00:42,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 11:00:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-23 11:00:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 179. [2020-12-23 11:00:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 11:00:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 231 transitions. [2020-12-23 11:00:42,960 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 231 transitions. Word has length 54 [2020-12-23 11:00:42,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:42,961 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 231 transitions. [2020-12-23 11:00:42,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:00:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 231 transitions. [2020-12-23 11:00:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 11:00:42,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:42,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:42,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 11:00:42,962 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:42,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:42,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1899159370, now seen corresponding path program 1 times [2020-12-23 11:00:42,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:42,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617409137] [2020-12-23 11:00:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:43,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617409137] [2020-12-23 11:00:43,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:43,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 11:00:43,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42347684] [2020-12-23 11:00:43,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:00:43,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:43,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:00:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:00:43,483 INFO L87 Difference]: Start difference. First operand 179 states and 231 transitions. Second operand 18 states. [2020-12-23 11:00:43,665 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-12-23 11:00:44,242 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-12-23 11:00:45,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:45,404 INFO L93 Difference]: Finished difference Result 373 states and 515 transitions. [2020-12-23 11:00:45,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 11:00:45,405 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 54 [2020-12-23 11:00:45,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:45,407 INFO L225 Difference]: With dead ends: 373 [2020-12-23 11:00:45,408 INFO L226 Difference]: Without dead ends: 367 [2020-12-23 11:00:45,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=200, Invalid=856, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 11:00:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-12-23 11:00:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 185. [2020-12-23 11:00:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-23 11:00:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 239 transitions. [2020-12-23 11:00:45,461 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 239 transitions. Word has length 54 [2020-12-23 11:00:45,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:45,461 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 239 transitions. [2020-12-23 11:00:45,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:00:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2020-12-23 11:00:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 11:00:45,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:45,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:45,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 11:00:45,463 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:45,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:45,463 INFO L82 PathProgramCache]: Analyzing trace with hash 2098262835, now seen corresponding path program 1 times [2020-12-23 11:00:45,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:45,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7050201] [2020-12-23 11:00:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:45,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7050201] [2020-12-23 11:00:45,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:45,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 11:00:45,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10018428] [2020-12-23 11:00:45,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:00:45,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:45,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:00:45,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:00:45,776 INFO L87 Difference]: Start difference. First operand 185 states and 239 transitions. Second operand 12 states. [2020-12-23 11:00:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:46,782 INFO L93 Difference]: Finished difference Result 485 states and 674 transitions. [2020-12-23 11:00:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:00:46,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2020-12-23 11:00:46,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:46,785 INFO L225 Difference]: With dead ends: 485 [2020-12-23 11:00:46,785 INFO L226 Difference]: Without dead ends: 479 [2020-12-23 11:00:46,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:00:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-12-23 11:00:46,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 173. [2020-12-23 11:00:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-23 11:00:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 224 transitions. [2020-12-23 11:00:46,845 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 224 transitions. Word has length 55 [2020-12-23 11:00:46,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:46,846 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 224 transitions. [2020-12-23 11:00:46,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:00:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 224 transitions. [2020-12-23 11:00:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 11:00:46,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:46,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:46,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 11:00:46,847 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:46,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:46,847 INFO L82 PathProgramCache]: Analyzing trace with hash -220748721, now seen corresponding path program 1 times [2020-12-23 11:00:46,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:46,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082790312] [2020-12-23 11:00:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:47,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082790312] [2020-12-23 11:00:47,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:47,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 11:00:47,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736891575] [2020-12-23 11:00:47,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 11:00:47,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:47,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 11:00:47,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:00:47,437 INFO L87 Difference]: Start difference. First operand 173 states and 224 transitions. Second operand 14 states. [2020-12-23 11:00:47,973 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-23 11:00:48,139 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-23 11:00:48,288 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-23 11:00:48,427 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-23 11:00:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:49,004 INFO L93 Difference]: Finished difference Result 451 states and 638 transitions. [2020-12-23 11:00:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 11:00:49,005 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-12-23 11:00:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:49,007 INFO L225 Difference]: With dead ends: 451 [2020-12-23 11:00:49,007 INFO L226 Difference]: Without dead ends: 439 [2020-12-23 11:00:49,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2020-12-23 11:00:49,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-12-23 11:00:49,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 161. [2020-12-23 11:00:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-12-23 11:00:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2020-12-23 11:00:49,073 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 212 transitions. Word has length 55 [2020-12-23 11:00:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:49,074 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 212 transitions. [2020-12-23 11:00:49,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 11:00:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 212 transitions. [2020-12-23 11:00:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 11:00:49,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:49,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:49,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 11:00:49,075 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:49,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:49,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1406506919, now seen corresponding path program 1 times [2020-12-23 11:00:49,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:49,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298863072] [2020-12-23 11:00:49,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:49,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298863072] [2020-12-23 11:00:49,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:49,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:49,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944661072] [2020-12-23 11:00:49,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:49,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:49,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:49,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:49,153 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. Second operand 3 states. [2020-12-23 11:00:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:49,252 INFO L93 Difference]: Finished difference Result 321 states and 452 transitions. [2020-12-23 11:00:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:49,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 11:00:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:49,255 INFO L225 Difference]: With dead ends: 321 [2020-12-23 11:00:49,255 INFO L226 Difference]: Without dead ends: 237 [2020-12-23 11:00:49,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-12-23 11:00:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 235. [2020-12-23 11:00:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-12-23 11:00:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 321 transitions. [2020-12-23 11:00:49,340 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 321 transitions. Word has length 72 [2020-12-23 11:00:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:49,341 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 321 transitions. [2020-12-23 11:00:49,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 321 transitions. [2020-12-23 11:00:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 11:00:49,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:49,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:49,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 11:00:49,342 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1673936966, now seen corresponding path program 1 times [2020-12-23 11:00:49,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:49,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949301298] [2020-12-23 11:00:49,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:49,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949301298] [2020-12-23 11:00:49,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:49,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:00:49,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18253188] [2020-12-23 11:00:49,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:00:49,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:00:49,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:49,422 INFO L87 Difference]: Start difference. First operand 235 states and 321 transitions. Second operand 5 states. [2020-12-23 11:00:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:49,817 INFO L93 Difference]: Finished difference Result 725 states and 1055 transitions. [2020-12-23 11:00:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:00:49,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 11:00:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:49,821 INFO L225 Difference]: With dead ends: 725 [2020-12-23 11:00:49,822 INFO L226 Difference]: Without dead ends: 567 [2020-12-23 11:00:49,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-12-23 11:00:49,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 317. [2020-12-23 11:00:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-12-23 11:00:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 446 transitions. [2020-12-23 11:00:49,967 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 446 transitions. Word has length 74 [2020-12-23 11:00:49,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:49,968 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 446 transitions. [2020-12-23 11:00:49,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:00:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 446 transitions. [2020-12-23 11:00:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 11:00:49,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:49,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:49,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 11:00:49,970 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:49,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:49,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1695280855, now seen corresponding path program 1 times [2020-12-23 11:00:49,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:49,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067094312] [2020-12-23 11:00:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:50,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067094312] [2020-12-23 11:00:50,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:50,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:50,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227593458] [2020-12-23 11:00:50,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:50,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:50,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:50,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:50,034 INFO L87 Difference]: Start difference. First operand 317 states and 446 transitions. Second operand 3 states. [2020-12-23 11:00:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:50,344 INFO L93 Difference]: Finished difference Result 723 states and 1059 transitions. [2020-12-23 11:00:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:50,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 11:00:50,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:50,348 INFO L225 Difference]: With dead ends: 723 [2020-12-23 11:00:50,348 INFO L226 Difference]: Without dead ends: 483 [2020-12-23 11:00:50,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-12-23 11:00:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2020-12-23 11:00:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-12-23 11:00:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 688 transitions. [2020-12-23 11:00:50,651 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 688 transitions. Word has length 74 [2020-12-23 11:00:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:50,651 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 688 transitions. [2020-12-23 11:00:50,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 688 transitions. [2020-12-23 11:00:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 11:00:50,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:50,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:50,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 11:00:50,653 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:50,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:50,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1859946120, now seen corresponding path program 1 times [2020-12-23 11:00:50,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:50,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750679497] [2020-12-23 11:00:50,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:50,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750679497] [2020-12-23 11:00:50,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:50,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:50,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766618924] [2020-12-23 11:00:50,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:50,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:50,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:50,702 INFO L87 Difference]: Start difference. First operand 481 states and 688 transitions. Second operand 3 states. [2020-12-23 11:00:51,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:51,164 INFO L93 Difference]: Finished difference Result 1229 states and 1794 transitions. [2020-12-23 11:00:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:51,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 11:00:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:51,169 INFO L225 Difference]: With dead ends: 1229 [2020-12-23 11:00:51,169 INFO L226 Difference]: Without dead ends: 825 [2020-12-23 11:00:51,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-12-23 11:00:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 813. [2020-12-23 11:00:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-12-23 11:00:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1157 transitions. [2020-12-23 11:00:51,530 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1157 transitions. Word has length 74 [2020-12-23 11:00:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:51,531 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1157 transitions. [2020-12-23 11:00:51,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1157 transitions. [2020-12-23 11:00:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 11:00:51,532 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:51,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:51,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 11:00:51,533 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:51,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1889765056, now seen corresponding path program 1 times [2020-12-23 11:00:51,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:51,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998140127] [2020-12-23 11:00:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:51,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998140127] [2020-12-23 11:00:51,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:51,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:00:51,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392205196] [2020-12-23 11:00:51,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:00:51,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:51,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:00:51,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:51,613 INFO L87 Difference]: Start difference. First operand 813 states and 1157 transitions. Second operand 5 states. [2020-12-23 11:00:52,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:52,306 INFO L93 Difference]: Finished difference Result 2193 states and 3163 transitions. [2020-12-23 11:00:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:00:52,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 11:00:52,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:52,315 INFO L225 Difference]: With dead ends: 2193 [2020-12-23 11:00:52,316 INFO L226 Difference]: Without dead ends: 1755 [2020-12-23 11:00:52,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:00:52,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2020-12-23 11:00:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1261. [2020-12-23 11:00:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2020-12-23 11:00:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1807 transitions. [2020-12-23 11:00:52,907 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1807 transitions. Word has length 74 [2020-12-23 11:00:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:52,907 INFO L481 AbstractCegarLoop]: Abstraction has 1261 states and 1807 transitions. [2020-12-23 11:00:52,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:00:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1807 transitions. [2020-12-23 11:00:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 11:00:52,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:52,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:52,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 11:00:52,910 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1073266559, now seen corresponding path program 1 times [2020-12-23 11:00:52,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:52,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852932131] [2020-12-23 11:00:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:52,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852932131] [2020-12-23 11:00:52,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:52,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:52,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451633662] [2020-12-23 11:00:52,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:52,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:52,959 INFO L87 Difference]: Start difference. First operand 1261 states and 1807 transitions. Second operand 3 states. [2020-12-23 11:00:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:54,184 INFO L93 Difference]: Finished difference Result 3501 states and 5029 transitions. [2020-12-23 11:00:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:54,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 11:00:54,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:54,195 INFO L225 Difference]: With dead ends: 3501 [2020-12-23 11:00:54,195 INFO L226 Difference]: Without dead ends: 2317 [2020-12-23 11:00:54,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2020-12-23 11:00:55,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 2187. [2020-12-23 11:00:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2020-12-23 11:00:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3113 transitions. [2020-12-23 11:00:55,073 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3113 transitions. Word has length 75 [2020-12-23 11:00:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:55,073 INFO L481 AbstractCegarLoop]: Abstraction has 2187 states and 3113 transitions. [2020-12-23 11:00:55,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3113 transitions. [2020-12-23 11:00:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 11:00:55,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:55,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:55,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 11:00:55,075 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash -391890934, now seen corresponding path program 1 times [2020-12-23 11:00:55,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:55,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861832197] [2020-12-23 11:00:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:55,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861832197] [2020-12-23 11:00:55,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:55,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:55,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504286355] [2020-12-23 11:00:55,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:55,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:55,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:55,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:55,127 INFO L87 Difference]: Start difference. First operand 2187 states and 3113 transitions. Second operand 3 states. [2020-12-23 11:00:56,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:56,648 INFO L93 Difference]: Finished difference Result 6151 states and 8723 transitions. [2020-12-23 11:00:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:56,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 11:00:56,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:56,663 INFO L225 Difference]: With dead ends: 6151 [2020-12-23 11:00:56,663 INFO L226 Difference]: Without dead ends: 4041 [2020-12-23 11:00:56,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:56,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4041 states. [2020-12-23 11:00:58,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4041 to 3783. [2020-12-23 11:00:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3783 states. [2020-12-23 11:00:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5309 transitions. [2020-12-23 11:00:58,075 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5309 transitions. Word has length 76 [2020-12-23 11:00:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:58,075 INFO L481 AbstractCegarLoop]: Abstraction has 3783 states and 5309 transitions. [2020-12-23 11:00:58,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5309 transitions. [2020-12-23 11:00:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:00:58,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:58,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:58,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 11:00:58,077 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:58,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:58,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1183434290, now seen corresponding path program 1 times [2020-12-23 11:00:58,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:58,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887883959] [2020-12-23 11:00:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:00:58,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887883959] [2020-12-23 11:00:58,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:58,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 11:00:58,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876060509] [2020-12-23 11:00:58,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:00:58,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:58,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:00:58,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:00:58,170 INFO L87 Difference]: Start difference. First operand 3783 states and 5309 transitions. Second operand 6 states. [2020-12-23 11:01:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:00,929 INFO L93 Difference]: Finished difference Result 6603 states and 9149 transitions. [2020-12-23 11:01:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 11:01:00,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2020-12-23 11:01:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:00,965 INFO L225 Difference]: With dead ends: 6603 [2020-12-23 11:01:00,965 INFO L226 Difference]: Without dead ends: 6601 [2020-12-23 11:01:00,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:01:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6601 states. [2020-12-23 11:01:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6601 to 3927. [2020-12-23 11:01:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3927 states. [2020-12-23 11:01:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5421 transitions. [2020-12-23 11:01:02,567 INFO L78 Accepts]: Start accepts. Automaton has 3927 states and 5421 transitions. Word has length 77 [2020-12-23 11:01:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:02,567 INFO L481 AbstractCegarLoop]: Abstraction has 3927 states and 5421 transitions. [2020-12-23 11:01:02,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:01:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3927 states and 5421 transitions. [2020-12-23 11:01:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 11:01:02,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:02,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:01:02,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 11:01:02,569 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:02,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:02,570 INFO L82 PathProgramCache]: Analyzing trace with hash -696816699, now seen corresponding path program 1 times [2020-12-23 11:01:02,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:02,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138198167] [2020-12-23 11:01:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:02,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138198167] [2020-12-23 11:01:02,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:02,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:01:02,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820263779] [2020-12-23 11:01:02,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:01:02,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:02,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:01:02,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:01:02,651 INFO L87 Difference]: Start difference. First operand 3927 states and 5421 transitions. Second operand 5 states. [2020-12-23 11:01:05,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:05,078 INFO L93 Difference]: Finished difference Result 7855 states and 10889 transitions. [2020-12-23 11:01:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:01:05,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 11:01:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:05,094 INFO L225 Difference]: With dead ends: 7855 [2020-12-23 11:01:05,094 INFO L226 Difference]: Without dead ends: 6445 [2020-12-23 11:01:05,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:01:05,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6445 states. [2020-12-23 11:01:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6445 to 4911. [2020-12-23 11:01:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4911 states. [2020-12-23 11:01:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4911 states and 6781 transitions. [2020-12-23 11:01:06,905 INFO L78 Accepts]: Start accepts. Automaton has 4911 states and 6781 transitions. Word has length 77 [2020-12-23 11:01:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:06,906 INFO L481 AbstractCegarLoop]: Abstraction has 4911 states and 6781 transitions. [2020-12-23 11:01:06,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:01:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 6781 transitions. [2020-12-23 11:01:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 11:01:06,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:06,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:01:06,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 11:01:06,907 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:06,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:06,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1657778714, now seen corresponding path program 1 times [2020-12-23 11:01:06,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:06,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112072164] [2020-12-23 11:01:06,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:06,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112072164] [2020-12-23 11:01:06,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:06,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:01:06,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461807251] [2020-12-23 11:01:06,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:01:06,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:06,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:01:06,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:01:06,954 INFO L87 Difference]: Start difference. First operand 4911 states and 6781 transitions. Second operand 3 states. [2020-12-23 11:01:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:09,965 INFO L93 Difference]: Finished difference Result 12755 states and 17595 transitions. [2020-12-23 11:01:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:01:09,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 11:01:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:09,983 INFO L225 Difference]: With dead ends: 12755 [2020-12-23 11:01:09,984 INFO L226 Difference]: Without dead ends: 7921 [2020-12-23 11:01:09,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:01:09,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7921 states. [2020-12-23 11:01:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7921 to 7311. [2020-12-23 11:01:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7311 states. [2020-12-23 11:01:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7311 states to 7311 states and 9909 transitions. [2020-12-23 11:01:12,732 INFO L78 Accepts]: Start accepts. Automaton has 7311 states and 9909 transitions. Word has length 78 [2020-12-23 11:01:12,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:12,732 INFO L481 AbstractCegarLoop]: Abstraction has 7311 states and 9909 transitions. [2020-12-23 11:01:12,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:01:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7311 states and 9909 transitions. [2020-12-23 11:01:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 11:01:12,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:12,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:01:12,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 11:01:12,743 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:12,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:12,744 INFO L82 PathProgramCache]: Analyzing trace with hash 910821393, now seen corresponding path program 1 times [2020-12-23 11:01:12,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:12,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845604384] [2020-12-23 11:01:12,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:12,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845604384] [2020-12-23 11:01:12,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:01:12,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:01:12,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703275140] [2020-12-23 11:01:12,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:01:12,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:12,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:01:12,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:01:12,805 INFO L87 Difference]: Start difference. First operand 7311 states and 9909 transitions. Second operand 3 states. [2020-12-23 11:01:15,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:15,579 INFO L93 Difference]: Finished difference Result 14433 states and 19573 transitions. [2020-12-23 11:01:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:01:15,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 11:01:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:15,595 INFO L225 Difference]: With dead ends: 14433 [2020-12-23 11:01:15,595 INFO L226 Difference]: Without dead ends: 7199 [2020-12-23 11:01:15,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:01:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7199 states. [2020-12-23 11:01:18,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7199 to 7197. [2020-12-23 11:01:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7197 states. [2020-12-23 11:01:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7197 states to 7197 states and 9589 transitions. [2020-12-23 11:01:18,540 INFO L78 Accepts]: Start accepts. Automaton has 7197 states and 9589 transitions. Word has length 99 [2020-12-23 11:01:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:18,540 INFO L481 AbstractCegarLoop]: Abstraction has 7197 states and 9589 transitions. [2020-12-23 11:01:18,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:01:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 7197 states and 9589 transitions. [2020-12-23 11:01:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 11:01:18,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:18,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:01:18,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 11:01:18,544 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:01:18,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 412335050, now seen corresponding path program 1 times [2020-12-23 11:01:18,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:18,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385826476] [2020-12-23 11:01:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:18,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385826476] [2020-12-23 11:01:18,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414475519] [2020-12-23 11:01:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 11:01:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:18,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 11:01:18,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:01:19,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:01:19,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:01:19,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 11:01:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:19,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:01:19,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2020-12-23 11:01:19,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406894779] [2020-12-23 11:01:19,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 11:01:19,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:19,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 11:01:19,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-23 11:01:19,818 INFO L87 Difference]: Start difference. First operand 7197 states and 9589 transitions. Second operand 18 states. [2020-12-23 11:01:22,259 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-23 11:01:22,967 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-12-23 11:01:24,326 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-23 11:01:24,529 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-23 11:01:25,460 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-23 11:01:25,902 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-23 11:01:26,254 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-12-23 11:01:26,605 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-12-23 11:01:27,017 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-12-23 11:01:33,390 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-12-23 11:01:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:01:53,440 INFO L93 Difference]: Finished difference Result 61925 states and 81496 transitions. [2020-12-23 11:01:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-12-23 11:01:53,441 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 99 [2020-12-23 11:01:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:01:53,643 INFO L225 Difference]: With dead ends: 61925 [2020-12-23 11:01:53,644 INFO L226 Difference]: Without dead ends: 54805 [2020-12-23 11:01:53,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2660 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1537, Invalid=6653, Unknown=0, NotChecked=0, Total=8190 [2020-12-23 11:01:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54805 states. [2020-12-23 11:02:00,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54805 to 15407. [2020-12-23 11:02:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15407 states. [2020-12-23 11:02:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15407 states to 15407 states and 20393 transitions. [2020-12-23 11:02:00,839 INFO L78 Accepts]: Start accepts. Automaton has 15407 states and 20393 transitions. Word has length 99 [2020-12-23 11:02:00,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:00,839 INFO L481 AbstractCegarLoop]: Abstraction has 15407 states and 20393 transitions. [2020-12-23 11:02:00,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:02:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 15407 states and 20393 transitions. [2020-12-23 11:02:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 11:02:00,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:00,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:02:01,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2020-12-23 11:02:01,060 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:01,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:01,061 INFO L82 PathProgramCache]: Analyzing trace with hash 667868883, now seen corresponding path program 1 times [2020-12-23 11:02:01,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:01,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379912156] [2020-12-23 11:02:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-23 11:02:01,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379912156] [2020-12-23 11:02:01,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:02:01,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:02:01,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882274034] [2020-12-23 11:02:01,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:02:01,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:02:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:01,120 INFO L87 Difference]: Start difference. First operand 15407 states and 20393 transitions. Second operand 3 states. [2020-12-23 11:02:07,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:02:07,438 INFO L93 Difference]: Finished difference Result 29409 states and 39126 transitions. [2020-12-23 11:02:07,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:02:07,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 11:02:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:02:07,464 INFO L225 Difference]: With dead ends: 29409 [2020-12-23 11:02:07,464 INFO L226 Difference]: Without dead ends: 14093 [2020-12-23 11:02:07,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:02:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14093 states. [2020-12-23 11:02:14,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14093 to 14093. [2020-12-23 11:02:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14093 states. [2020-12-23 11:02:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14093 states to 14093 states and 18595 transitions. [2020-12-23 11:02:14,166 INFO L78 Accepts]: Start accepts. Automaton has 14093 states and 18595 transitions. Word has length 100 [2020-12-23 11:02:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:02:14,166 INFO L481 AbstractCegarLoop]: Abstraction has 14093 states and 18595 transitions. [2020-12-23 11:02:14,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:02:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 14093 states and 18595 transitions. [2020-12-23 11:02:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 11:02:14,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:02:14,171 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:02:14,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 11:02:14,171 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:02:14,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:02:14,171 INFO L82 PathProgramCache]: Analyzing trace with hash -548192524, now seen corresponding path program 1 times [2020-12-23 11:02:14,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:02:14,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624974866] [2020-12-23 11:02:14,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:02:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:14,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624974866] [2020-12-23 11:02:14,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605242622] [2020-12-23 11:02:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 11:02:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:02:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 11:02:14,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:02:14,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:02:14,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:02:14,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 11:02:15,306 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-12-23 11:02:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:02:15,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:02:15,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2020-12-23 11:02:15,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718469003] [2020-12-23 11:02:15,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:02:15,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:02:15,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:02:15,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:02:15,575 INFO L87 Difference]: Start difference. First operand 14093 states and 18595 transitions. Second operand 19 states. [2020-12-23 11:02:17,996 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-12-23 11:02:18,211 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-12-23 11:02:18,551 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-23 11:02:18,699 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-23 11:02:18,905 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 11:02:19,308 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-23 11:02:19,522 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2020-12-23 11:02:20,219 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-23 11:02:20,777 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-12-23 11:02:21,519 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2020-12-23 11:02:21,743 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2020-12-23 11:02:21,917 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-12-23 11:02:22,255 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2020-12-23 11:02:22,568 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-12-23 11:02:22,767 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-12-23 11:02:22,931 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-23 11:02:23,492 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2020-12-23 11:02:23,718 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-12-23 11:02:24,129 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2020-12-23 11:02:24,356 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-12-23 11:02:24,788 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2020-12-23 11:02:24,978 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-23 11:02:25,152 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-12-23 11:02:25,853 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-12-23 11:02:26,058 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-12-23 11:02:26,457 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-12-23 11:02:26,696 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-12-23 11:02:27,166 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-12-23 11:02:27,330 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-23 11:02:27,739 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2020-12-23 11:02:27,942 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-23 11:02:28,814 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-12-23 11:02:28,993 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-23 11:02:30,117 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-12-23 11:02:30,292 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-12-23 11:02:30,894 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-23 11:02:31,411 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-12-23 11:02:32,197 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-23 11:02:33,446 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-12-23 11:02:33,730 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-12-23 11:02:33,966 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-23 11:02:34,740 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2020-12-23 11:02:35,195 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-23 11:02:37,666 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2020-12-23 11:02:37,883 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-12-23 11:02:38,422 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-12-23 11:02:38,618 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-12-23 11:02:39,288 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-12-23 11:02:39,547 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 11:02:40,408 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-12-23 11:02:40,584 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-12-23 11:02:40,850 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-12-23 11:02:41,049 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-12-23 11:02:41,325 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2020-12-23 11:02:42,128 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-12-23 11:02:42,308 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-12-23 11:02:42,726 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-12-23 11:02:43,056 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-23 11:02:43,358 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2020-12-23 11:02:43,571 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-23 11:02:44,547 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-12-23 11:02:48,083 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-23 11:02:48,410 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-23 11:02:48,641 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-12-23 11:02:48,878 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-12-23 11:02:49,033 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-12-23 11:02:49,341 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 61 [2020-12-23 11:02:49,771 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-12-23 11:02:49,945 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-12-23 11:02:50,267 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-12-23 11:02:51,120 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-23 11:02:51,989 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-12-23 11:02:52,445 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-12-23 11:02:52,981 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-23 11:02:53,721 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-12-23 11:02:53,908 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-12-23 11:02:55,303 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-12-23 11:02:55,822 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-12-23 11:02:56,246 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-12-23 11:02:56,670 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-12-23 11:02:56,978 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-12-23 11:02:57,833 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-23 11:02:58,307 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-23 11:02:58,557 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2020-12-23 11:02:58,911 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2020-12-23 11:02:59,393 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2020-12-23 11:02:59,642 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-23 11:02:59,926 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-12-23 11:03:00,337 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-12-23 11:03:00,890 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-12-23 11:03:01,149 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-12-23 11:03:01,382 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-12-23 11:03:01,999 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 11:03:06,253 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-23 11:03:06,538 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 11:03:09,962 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-12-23 11:03:10,731 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-12-23 11:03:11,402 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-12-23 11:03:12,464 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-12-23 11:03:12,840 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-12-23 11:03:13,755 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-12-23 11:03:17,899 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-23 11:03:18,668 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-12-23 11:03:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:03:22,828 INFO L93 Difference]: Finished difference Result 72283 states and 93214 transitions. [2020-12-23 11:03:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2020-12-23 11:03:22,830 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 100 [2020-12-23 11:03:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:03:22,918 INFO L225 Difference]: With dead ends: 72283 [2020-12-23 11:03:22,919 INFO L226 Difference]: Without dead ends: 58281 [2020-12-23 11:03:22,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14869 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=5556, Invalid=31500, Unknown=0, NotChecked=0, Total=37056 [2020-12-23 11:03:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58281 states. [2020-12-23 11:03:36,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58281 to 27251. [2020-12-23 11:03:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27251 states. [2020-12-23 11:03:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27251 states to 27251 states and 35799 transitions. [2020-12-23 11:03:36,912 INFO L78 Accepts]: Start accepts. Automaton has 27251 states and 35799 transitions. Word has length 100 [2020-12-23 11:03:36,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:03:36,913 INFO L481 AbstractCegarLoop]: Abstraction has 27251 states and 35799 transitions. [2020-12-23 11:03:36,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 11:03:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 27251 states and 35799 transitions. [2020-12-23 11:03:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 11:03:36,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:03:36,918 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:03:37,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-12-23 11:03:37,132 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:03:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:03:37,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1094222321, now seen corresponding path program 1 times [2020-12-23 11:03:37,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:03:37,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031627682] [2020-12-23 11:03:37,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:03:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:03:37,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031627682] [2020-12-23 11:03:37,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882645684] [2020-12-23 11:03:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 11:03:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:03:38,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 11:03:38,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:03:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 11:03:38,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:03:38,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 19 [2020-12-23 11:03:38,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326446378] [2020-12-23 11:03:38,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 11:03:38,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:03:38,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 11:03:38,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2020-12-23 11:03:38,761 INFO L87 Difference]: Start difference. First operand 27251 states and 35799 transitions. Second operand 19 states. [2020-12-23 11:03:38,999 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-12-23 11:03:39,680 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 11:03:39,937 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:03:40,187 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:03:40,426 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-12-23 11:03:40,667 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-12-23 11:03:42,102 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-12-23 11:03:42,525 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-23 11:03:43,012 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-23 11:03:43,572 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2020-12-23 11:03:44,628 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-23 11:03:45,397 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-23 11:03:46,091 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-12-23 11:03:46,347 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-12-23 11:03:46,940 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2020-12-23 11:03:47,262 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-23 11:03:47,510 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-12-23 11:03:47,732 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-23 11:03:49,712 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-12-23 11:03:49,974 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 11:03:50,188 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-23 11:03:56,637 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 11:03:56,984 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-23 11:03:57,796 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-23 11:03:58,054 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 11:03:58,368 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-23 11:04:05,470 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-12-23 11:04:06,370 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-23 11:04:07,397 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-12-23 11:04:07,722 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-12-23 11:04:08,955 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-12-23 11:04:09,891 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-23 11:04:10,822 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39