/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.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:59:00,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:59:00,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:59:00,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:59:00,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:59:00,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:59:00,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:59:00,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:59:00,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:59:00,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:59:00,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:59:00,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:59:00,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:59:00,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:59:00,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:59:00,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:59:00,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:59:00,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:59:00,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:59:00,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:59:00,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:59:00,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:59:00,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:59:00,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:59:00,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:59:00,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:59:00,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:59:00,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:59:00,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:59:00,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:59:00,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:59:00,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:59:00,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:59:00,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:59:00,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:59:00,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:59:00,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:59:00,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:59:00,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:59:00,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:59:00,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:59:00,408 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 10:59:00,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:59:00,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:59:00,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:59:00,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:59:00,451 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:59:00,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:59:00,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:59:00,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:59:00,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:59:00,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:59:00,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:59:00,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:59:00,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:59:00,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:59:00,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:59:00,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:59:00,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:59:00,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:59:00,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:59:00,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:59:00,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:59:00,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:59:00,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:59:00,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:59:00,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:59:00,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:59:00,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:59:00,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:59:00,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:59:00,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:59:00,966 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:59:00,968 INFO L432 ainManager$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.BOUNDED-6.pals.c.v+lhb-reducer.c [2020-12-23 10:59:01,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7845a027a/5d53c5d251e848468885ea4de8145aff/FLAG686718e67 [2020-12-23 10:59:01,778 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:59:01,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2020-12-23 10:59:01,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7845a027a/5d53c5d251e848468885ea4de8145aff/FLAG686718e67 [2020-12-23 10:59:02,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7845a027a/5d53c5d251e848468885ea4de8145aff [2020-12-23 10:59:02,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:59:02,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:59:02,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:59:02,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:59:02,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:59:02,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:02,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cd05d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02, skipping insertion in model container [2020-12-23 10:59:02,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:02,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:59:02,161 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_1411~0,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_2243~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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_1551~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] 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[~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_1621~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1622_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] 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 10:59:02,564 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.BOUNDED-6.pals.c.v+lhb-reducer.c[7141,7154] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1628_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1560_0~0,GLOBAL] 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[~__return_1564~0,GLOBAL] 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_1863~0,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 10:59:02,587 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.BOUNDED-6.pals.c.v+lhb-reducer.c[10048,10061] 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_2046~0,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 10:59:02,600 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.BOUNDED-6.pals.c.v+lhb-reducer.c[11139,11152] 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_2210~0,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 10:59:02,606 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.BOUNDED-6.pals.c.v+lhb-reducer.c[11745,11758] 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_1777~0,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 10:59:02,619 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.BOUNDED-6.pals.c.v+lhb-reducer.c[13164,13177] 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_1932~0,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 10:59:02,625 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.BOUNDED-6.pals.c.v+lhb-reducer.c[13770,13783] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1628_0~0,GLOBAL] 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_2127~0,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 10:59:02,634 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.BOUNDED-6.pals.c.v+lhb-reducer.c[14741,14754] 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_2279~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1622_0~0,GLOBAL] 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_2174~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_2079~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1995~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1896~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1824~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1713~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1484~0,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,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] [2020-12-23 10:59:02,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:59:02,724 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_1411~0,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_2243~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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_1551~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1560_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] 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[~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_1621~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1622_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] 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 10:59:02,818 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.BOUNDED-6.pals.c.v+lhb-reducer.c[7141,7154] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1628_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1560_0~0,GLOBAL] 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[~__return_1564~0,GLOBAL] 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_1863~0,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 10:59:02,856 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.BOUNDED-6.pals.c.v+lhb-reducer.c[10048,10061] 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_2046~0,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 10:59:02,870 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.BOUNDED-6.pals.c.v+lhb-reducer.c[11139,11152] 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_2210~0,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 10:59:02,875 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.BOUNDED-6.pals.c.v+lhb-reducer.c[11745,11758] 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_1777~0,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 10:59:02,884 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.BOUNDED-6.pals.c.v+lhb-reducer.c[13164,13177] 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_1932~0,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 10:59:02,889 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.BOUNDED-6.pals.c.v+lhb-reducer.c[13770,13783] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1628_0~0,GLOBAL] 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_2127~0,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 10:59:02,895 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.BOUNDED-6.pals.c.v+lhb-reducer.c[14741,14754] 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_2279~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1622_0~0,GLOBAL] 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_2174~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_2079~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1995~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1896~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1824~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1713~0,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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] 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_1484~0,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,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1494_0~0,GLOBAL] [2020-12-23 10:59:02,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:59:02,953 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:59:02,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02 WrapperNode [2020-12-23 10:59:02,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:59:02,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:59:02,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:59:02,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:59:02,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:59:03,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:59:03,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:59:03,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:59:03,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (1/1) ... [2020-12-23 10:59:03,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:59:03,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:59:03,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:59:03,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:59:03,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (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 10:59:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:59:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:59:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:59:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:59:04,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:59:04,443 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:59:04,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:59:04 BoogieIcfgContainer [2020-12-23 10:59:04,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:59:04,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:59:04,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:59:04,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:59:04,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:59:02" (1/3) ... [2020-12-23 10:59:04,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a398943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:59:04, skipping insertion in model container [2020-12-23 10:59:04,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:59:02" (2/3) ... [2020-12-23 10:59:04,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a398943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:59:04, skipping insertion in model container [2020-12-23 10:59:04,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:59:04" (3/3) ... [2020-12-23 10:59:04,455 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2020-12-23 10:59:04,463 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:59:04,469 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-23 10:59:04,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-23 10:59:04,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:59:04,519 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:59:04,520 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:59:04,520 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:59:04,520 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:59:04,520 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:59:04,520 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:59:04,521 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:59:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-12-23 10:59:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 10:59:04,557 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:04,558 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 10:59:04,559 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 10:59:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1485336045, now seen corresponding path program 1 times [2020-12-23 10:59:04,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:04,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239010614] [2020-12-23 10:59:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:05,089 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 10:59:05,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239010614] [2020-12-23 10:59:05,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:05,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:59:05,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127925397] [2020-12-23 10:59:05,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:05,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:05,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:05,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:05,125 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-12-23 10:59:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:05,528 INFO L93 Difference]: Finished difference Result 423 states and 706 transitions. [2020-12-23 10:59:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:05,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 10:59:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:05,548 INFO L225 Difference]: With dead ends: 423 [2020-12-23 10:59:05,548 INFO L226 Difference]: Without dead ends: 259 [2020-12-23 10:59:05,553 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 10:59:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-12-23 10:59:05,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 235. [2020-12-23 10:59:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-12-23 10:59:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 306 transitions. [2020-12-23 10:59:05,643 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 306 transitions. Word has length 47 [2020-12-23 10:59:05,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:05,644 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 306 transitions. [2020-12-23 10:59:05,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 306 transitions. [2020-12-23 10:59:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 10:59:05,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:05,648 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 10:59:05,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:59:05,648 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 10:59:05,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:05,649 INFO L82 PathProgramCache]: Analyzing trace with hash 200422799, now seen corresponding path program 1 times [2020-12-23 10:59:05,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:05,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023843668] [2020-12-23 10:59:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:05,792 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 10:59:05,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023843668] [2020-12-23 10:59:05,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:05,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:59:05,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244614248] [2020-12-23 10:59:05,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:05,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:05,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:05,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:05,799 INFO L87 Difference]: Start difference. First operand 235 states and 306 transitions. Second operand 5 states. [2020-12-23 10:59:06,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:06,039 INFO L93 Difference]: Finished difference Result 418 states and 557 transitions. [2020-12-23 10:59:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:06,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 10:59:06,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:06,043 INFO L225 Difference]: With dead ends: 418 [2020-12-23 10:59:06,043 INFO L226 Difference]: Without dead ends: 225 [2020-12-23 10:59:06,045 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 10:59:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-12-23 10:59:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-12-23 10:59:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-23 10:59:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 292 transitions. [2020-12-23 10:59:06,067 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 292 transitions. Word has length 48 [2020-12-23 10:59:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:06,068 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 292 transitions. [2020-12-23 10:59:06,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 292 transitions. [2020-12-23 10:59:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 10:59:06,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:06,071 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 10:59:06,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:59:06,074 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 10:59:06,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:06,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1089931239, now seen corresponding path program 1 times [2020-12-23 10:59:06,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:06,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728989104] [2020-12-23 10:59:06,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:06,205 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 10:59:06,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728989104] [2020-12-23 10:59:06,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:06,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:59:06,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882157479] [2020-12-23 10:59:06,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:06,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:06,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:06,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:06,208 INFO L87 Difference]: Start difference. First operand 225 states and 292 transitions. Second operand 5 states. [2020-12-23 10:59:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:06,383 INFO L93 Difference]: Finished difference Result 408 states and 541 transitions. [2020-12-23 10:59:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:06,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 10:59:06,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:06,393 INFO L225 Difference]: With dead ends: 408 [2020-12-23 10:59:06,393 INFO L226 Difference]: Without dead ends: 217 [2020-12-23 10:59:06,399 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 10:59:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-12-23 10:59:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-12-23 10:59:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 10:59:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 281 transitions. [2020-12-23 10:59:06,444 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 281 transitions. Word has length 49 [2020-12-23 10:59:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:06,444 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 281 transitions. [2020-12-23 10:59:06,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 281 transitions. [2020-12-23 10:59:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 10:59:06,450 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:06,450 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] [2020-12-23 10:59:06,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:59:06,451 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 10:59:06,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:06,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1243075504, now seen corresponding path program 1 times [2020-12-23 10:59:06,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:06,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780135433] [2020-12-23 10:59:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:06,687 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 10:59:06,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780135433] [2020-12-23 10:59:06,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:06,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 10:59:06,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946780962] [2020-12-23 10:59:06,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 10:59:06,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:06,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 10:59:06,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:59:06,690 INFO L87 Difference]: Start difference. First operand 217 states and 281 transitions. Second operand 9 states. [2020-12-23 10:59:07,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:07,394 INFO L93 Difference]: Finished difference Result 532 states and 728 transitions. [2020-12-23 10:59:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 10:59:07,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-12-23 10:59:07,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:07,398 INFO L225 Difference]: With dead ends: 532 [2020-12-23 10:59:07,398 INFO L226 Difference]: Without dead ends: 527 [2020-12-23 10:59:07,399 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 10:59:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-12-23 10:59:07,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 217. [2020-12-23 10:59:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 10:59:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 280 transitions. [2020-12-23 10:59:07,422 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 280 transitions. Word has length 50 [2020-12-23 10:59:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:07,423 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 280 transitions. [2020-12-23 10:59:07,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 10:59:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 280 transitions. [2020-12-23 10:59:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 10:59:07,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:07,425 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] [2020-12-23 10:59:07,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:59:07,426 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 10:59:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:07,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1139694690, now seen corresponding path program 1 times [2020-12-23 10:59:07,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:07,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861065317] [2020-12-23 10:59:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:07,662 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 10:59:07,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861065317] [2020-12-23 10:59:07,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:07,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 10:59:07,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182667994] [2020-12-23 10:59:07,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 10:59:07,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:07,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 10:59:07,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:59:07,667 INFO L87 Difference]: Start difference. First operand 217 states and 280 transitions. Second operand 9 states. [2020-12-23 10:59:08,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:08,521 INFO L93 Difference]: Finished difference Result 624 states and 861 transitions. [2020-12-23 10:59:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 10:59:08,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-12-23 10:59:08,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:08,525 INFO L225 Difference]: With dead ends: 624 [2020-12-23 10:59:08,525 INFO L226 Difference]: Without dead ends: 523 [2020-12-23 10:59:08,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-12-23 10:59:08,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-12-23 10:59:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 217. [2020-12-23 10:59:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 10:59:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 279 transitions. [2020-12-23 10:59:08,555 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 279 transitions. Word has length 50 [2020-12-23 10:59:08,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:08,556 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 279 transitions. [2020-12-23 10:59:08,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 10:59:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 279 transitions. [2020-12-23 10:59:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 10:59:08,557 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:08,558 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] [2020-12-23 10:59:08,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:59:08,558 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 10:59:08,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:08,559 INFO L82 PathProgramCache]: Analyzing trace with hash 134088220, now seen corresponding path program 1 times [2020-12-23 10:59:08,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:08,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757130509] [2020-12-23 10:59:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:08,692 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 10:59:08,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757130509] [2020-12-23 10:59:08,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:08,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 10:59:08,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673258092] [2020-12-23 10:59:08,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 10:59:08,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:08,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 10:59:08,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:59:08,695 INFO L87 Difference]: Start difference. First operand 217 states and 279 transitions. Second operand 8 states. [2020-12-23 10:59:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:09,042 INFO L93 Difference]: Finished difference Result 461 states and 610 transitions. [2020-12-23 10:59:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 10:59:09,043 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-12-23 10:59:09,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:09,046 INFO L225 Difference]: With dead ends: 461 [2020-12-23 10:59:09,046 INFO L226 Difference]: Without dead ends: 337 [2020-12-23 10:59:09,047 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 10:59:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-12-23 10:59:09,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 217. [2020-12-23 10:59:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 10:59:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 278 transitions. [2020-12-23 10:59:09,088 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 278 transitions. Word has length 50 [2020-12-23 10:59:09,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:09,089 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 278 transitions. [2020-12-23 10:59:09,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 10:59:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 278 transitions. [2020-12-23 10:59:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 10:59:09,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:09,093 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 10:59:09,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:59:09,094 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 10:59:09,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:09,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1263855603, now seen corresponding path program 1 times [2020-12-23 10:59:09,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:09,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053683413] [2020-12-23 10:59:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:09,730 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 10:59:09,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053683413] [2020-12-23 10:59:09,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:09,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 10:59:09,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662072664] [2020-12-23 10:59:09,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 10:59:09,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:09,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 10:59:09,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-12-23 10:59:09,733 INFO L87 Difference]: Start difference. First operand 217 states and 278 transitions. Second operand 19 states. [2020-12-23 10:59:09,912 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-12-23 10:59:10,884 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-23 10:59:11,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:11,836 INFO L93 Difference]: Finished difference Result 470 states and 632 transitions. [2020-12-23 10:59:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 10:59:11,839 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2020-12-23 10:59:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:11,843 INFO L225 Difference]: With dead ends: 470 [2020-12-23 10:59:11,843 INFO L226 Difference]: Without dead ends: 382 [2020-12-23 10:59:11,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=240, Invalid=950, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 10:59:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-23 10:59:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 223. [2020-12-23 10:59:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-23 10:59:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 286 transitions. [2020-12-23 10:59:11,879 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 286 transitions. Word has length 52 [2020-12-23 10:59:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:11,881 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 286 transitions. [2020-12-23 10:59:11,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 10:59:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 286 transitions. [2020-12-23 10:59:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 10:59:11,883 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:11,883 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 10:59:11,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:59:11,884 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 10:59:11,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:11,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1250594545, now seen corresponding path program 1 times [2020-12-23 10:59:11,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:11,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251810178] [2020-12-23 10:59:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:12,546 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 10:59:12,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251810178] [2020-12-23 10:59:12,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:12,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 10:59:12,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614683025] [2020-12-23 10:59:12,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 10:59:12,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:12,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 10:59:12,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-12-23 10:59:12,557 INFO L87 Difference]: Start difference. First operand 223 states and 286 transitions. Second operand 19 states. [2020-12-23 10:59:12,824 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-12-23 10:59:13,514 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-12-23 10:59:14,060 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-23 10:59:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:15,277 INFO L93 Difference]: Finished difference Result 501 states and 683 transitions. [2020-12-23 10:59:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 10:59:15,277 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2020-12-23 10:59:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:15,280 INFO L225 Difference]: With dead ends: 501 [2020-12-23 10:59:15,281 INFO L226 Difference]: Without dead ends: 495 [2020-12-23 10:59:15,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 10:59:15,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-12-23 10:59:15,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 223. [2020-12-23 10:59:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-23 10:59:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 285 transitions. [2020-12-23 10:59:15,308 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 285 transitions. Word has length 52 [2020-12-23 10:59:15,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:15,308 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 285 transitions. [2020-12-23 10:59:15,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 10:59:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 285 transitions. [2020-12-23 10:59:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 10:59:15,309 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:15,310 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 10:59:15,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:59:15,310 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 10:59:15,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:15,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1783814727, now seen corresponding path program 1 times [2020-12-23 10:59:15,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:15,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434914743] [2020-12-23 10:59:15,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:15,669 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 10:59:15,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434914743] [2020-12-23 10:59:15,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:15,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 10:59:15,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248179408] [2020-12-23 10:59:15,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:59:15,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:15,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:59:15,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:59:15,672 INFO L87 Difference]: Start difference. First operand 223 states and 285 transitions. Second operand 10 states. [2020-12-23 10:59:16,147 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-23 10:59:16,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:16,534 INFO L93 Difference]: Finished difference Result 611 states and 839 transitions. [2020-12-23 10:59:16,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 10:59:16,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-12-23 10:59:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:16,538 INFO L225 Difference]: With dead ends: 611 [2020-12-23 10:59:16,538 INFO L226 Difference]: Without dead ends: 488 [2020-12-23 10:59:16,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2020-12-23 10:59:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-12-23 10:59:16,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 184. [2020-12-23 10:59:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-12-23 10:59:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 239 transitions. [2020-12-23 10:59:16,569 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 239 transitions. Word has length 52 [2020-12-23 10:59:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:16,570 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 239 transitions. [2020-12-23 10:59:16,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:59:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 239 transitions. [2020-12-23 10:59:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 10:59:16,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:16,571 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 10:59:16,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:59:16,571 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 10:59:16,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:16,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1706910886, now seen corresponding path program 1 times [2020-12-23 10:59:16,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:16,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132997813] [2020-12-23 10:59:16,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:17,059 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 10:59:17,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132997813] [2020-12-23 10:59:17,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:17,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 10:59:17,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808986354] [2020-12-23 10:59:17,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 10:59:17,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:17,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 10:59:17,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-12-23 10:59:17,062 INFO L87 Difference]: Start difference. First operand 184 states and 239 transitions. Second operand 19 states. [2020-12-23 10:59:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:18,328 INFO L93 Difference]: Finished difference Result 211 states and 266 transitions. [2020-12-23 10:59:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 10:59:18,329 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2020-12-23 10:59:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:18,331 INFO L225 Difference]: With dead ends: 211 [2020-12-23 10:59:18,331 INFO L226 Difference]: Without dead ends: 207 [2020-12-23 10:59:18,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=250, Invalid=1082, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 10:59:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-23 10:59:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 188. [2020-12-23 10:59:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-12-23 10:59:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2020-12-23 10:59:18,360 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 52 [2020-12-23 10:59:18,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:18,361 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2020-12-23 10:59:18,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 10:59:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-12-23 10:59:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 10:59:18,362 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:18,362 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 10:59:18,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:59:18,362 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 10:59:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash -987220198, now seen corresponding path program 1 times [2020-12-23 10:59:18,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:18,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709404522] [2020-12-23 10:59:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:18,782 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 10:59:18,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709404522] [2020-12-23 10:59:18,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:18,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 10:59:18,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422807265] [2020-12-23 10:59:18,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 10:59:18,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:18,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 10:59:18,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-12-23 10:59:18,784 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 13 states. [2020-12-23 10:59:19,240 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-23 10:59:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:19,656 INFO L93 Difference]: Finished difference Result 304 states and 408 transitions. [2020-12-23 10:59:19,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 10:59:19,657 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-12-23 10:59:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:19,658 INFO L225 Difference]: With dead ends: 304 [2020-12-23 10:59:19,658 INFO L226 Difference]: Without dead ends: 284 [2020-12-23 10:59:19,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-12-23 10:59:19,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-12-23 10:59:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 168. [2020-12-23 10:59:19,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-23 10:59:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2020-12-23 10:59:19,686 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 53 [2020-12-23 10:59:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:19,686 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2020-12-23 10:59:19,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 10:59:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2020-12-23 10:59:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 10:59:19,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:19,687 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 10:59:19,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:59:19,687 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 10:59:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:19,688 INFO L82 PathProgramCache]: Analyzing trace with hash 339917441, now seen corresponding path program 1 times [2020-12-23 10:59:19,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:19,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30440462] [2020-12-23 10:59:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:19,817 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 10:59:19,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30440462] [2020-12-23 10:59:19,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:19,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:59:19,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256952349] [2020-12-23 10:59:19,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:59:19,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:19,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:59:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:59:19,820 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand 10 states. [2020-12-23 10:59:20,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:20,618 INFO L93 Difference]: Finished difference Result 446 states and 614 transitions. [2020-12-23 10:59:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 10:59:20,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-12-23 10:59:20,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:20,622 INFO L225 Difference]: With dead ends: 446 [2020-12-23 10:59:20,622 INFO L226 Difference]: Without dead ends: 344 [2020-12-23 10:59:20,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-12-23 10:59:20,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-12-23 10:59:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 168. [2020-12-23 10:59:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-23 10:59:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 219 transitions. [2020-12-23 10:59:20,651 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 219 transitions. Word has length 53 [2020-12-23 10:59:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:20,652 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 219 transitions. [2020-12-23 10:59:20,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:59:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 219 transitions. [2020-12-23 10:59:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 10:59:20,653 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:20,653 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] [2020-12-23 10:59:20,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:59:20,653 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 10:59:20,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1175492289, now seen corresponding path program 1 times [2020-12-23 10:59:20,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:20,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593549789] [2020-12-23 10:59:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:20,762 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 10:59:20,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593549789] [2020-12-23 10:59:20,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:20,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 10:59:20,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659174289] [2020-12-23 10:59:20,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 10:59:20,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:20,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 10:59:20,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:59:20,764 INFO L87 Difference]: Start difference. First operand 168 states and 219 transitions. Second operand 9 states. [2020-12-23 10:59:21,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:21,190 INFO L93 Difference]: Finished difference Result 317 states and 433 transitions. [2020-12-23 10:59:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 10:59:21,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-12-23 10:59:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:21,191 INFO L225 Difference]: With dead ends: 317 [2020-12-23 10:59:21,192 INFO L226 Difference]: Without dead ends: 215 [2020-12-23 10:59:21,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-23 10:59:21,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-23 10:59:21,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 168. [2020-12-23 10:59:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-23 10:59:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2020-12-23 10:59:21,221 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 54 [2020-12-23 10:59:21,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:21,222 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2020-12-23 10:59:21,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 10:59:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2020-12-23 10:59:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 10:59:21,223 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:21,223 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 10:59:21,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:59:21,223 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 10:59:21,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:21,224 INFO L82 PathProgramCache]: Analyzing trace with hash -824240014, now seen corresponding path program 1 times [2020-12-23 10:59:21,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:21,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587665715] [2020-12-23 10:59:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:21,660 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 10:59:21,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587665715] [2020-12-23 10:59:21,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:21,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 10:59:21,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108369920] [2020-12-23 10:59:21,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 10:59:21,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:21,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 10:59:21,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-23 10:59:21,664 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand 18 states. [2020-12-23 10:59:21,807 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-23 10:59:22,297 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-23 10:59:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:23,225 INFO L93 Difference]: Finished difference Result 362 states and 498 transitions. [2020-12-23 10:59:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 10:59:23,226 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2020-12-23 10:59:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:23,228 INFO L225 Difference]: With dead ends: 362 [2020-12-23 10:59:23,228 INFO L226 Difference]: Without dead ends: 356 [2020-12-23 10:59:23,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=200, Invalid=856, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 10:59:23,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-12-23 10:59:23,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 174. [2020-12-23 10:59:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-12-23 10:59:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 226 transitions. [2020-12-23 10:59:23,260 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 226 transitions. Word has length 55 [2020-12-23 10:59:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:23,261 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 226 transitions. [2020-12-23 10:59:23,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 10:59:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 226 transitions. [2020-12-23 10:59:23,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 10:59:23,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:23,262 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, 1, 1, 1, 1] [2020-12-23 10:59:23,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:59:23,262 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 10:59:23,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:23,263 INFO L82 PathProgramCache]: Analyzing trace with hash -995695438, now seen corresponding path program 1 times [2020-12-23 10:59:23,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:23,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358753805] [2020-12-23 10:59:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:23,712 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 10:59:23,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358753805] [2020-12-23 10:59:23,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:23,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 10:59:23,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111154413] [2020-12-23 10:59:23,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 10:59:23,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:23,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 10:59:23,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-12-23 10:59:23,715 INFO L87 Difference]: Start difference. First operand 174 states and 226 transitions. Second operand 14 states. [2020-12-23 10:59:24,207 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-12-23 10:59:24,337 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2020-12-23 10:59:25,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:25,584 INFO L93 Difference]: Finished difference Result 646 states and 908 transitions. [2020-12-23 10:59:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 10:59:25,585 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2020-12-23 10:59:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:25,589 INFO L225 Difference]: With dead ends: 646 [2020-12-23 10:59:25,589 INFO L226 Difference]: Without dead ends: 640 [2020-12-23 10:59:25,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-12-23 10:59:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-12-23 10:59:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 180. [2020-12-23 10:59:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-12-23 10:59:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2020-12-23 10:59:25,633 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 234 transitions. Word has length 56 [2020-12-23 10:59:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:25,634 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 234 transitions. [2020-12-23 10:59:25,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 10:59:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2020-12-23 10:59:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 10:59:25,634 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:25,635 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] [2020-12-23 10:59:25,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:59:25,635 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 10:59:25,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:25,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1326812170, now seen corresponding path program 1 times [2020-12-23 10:59:25,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:25,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246464168] [2020-12-23 10:59:25,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:25,947 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 10:59:25,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246464168] [2020-12-23 10:59:25,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:25,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 10:59:25,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495545645] [2020-12-23 10:59:25,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 10:59:25,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:25,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 10:59:25,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-23 10:59:25,953 INFO L87 Difference]: Start difference. First operand 180 states and 234 transitions. Second operand 11 states. [2020-12-23 10:59:26,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:26,810 INFO L93 Difference]: Finished difference Result 474 states and 654 transitions. [2020-12-23 10:59:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 10:59:26,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-12-23 10:59:26,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:26,813 INFO L225 Difference]: With dead ends: 474 [2020-12-23 10:59:26,813 INFO L226 Difference]: Without dead ends: 468 [2020-12-23 10:59:26,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-12-23 10:59:26,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-12-23 10:59:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2020-12-23 10:59:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 10:59:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 211 transitions. [2020-12-23 10:59:26,848 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 211 transitions. Word has length 56 [2020-12-23 10:59:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:26,848 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 211 transitions. [2020-12-23 10:59:26,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 10:59:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 211 transitions. [2020-12-23 10:59:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 10:59:26,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:26,850 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] [2020-12-23 10:59:26,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:59:26,850 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 10:59:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2042294308, now seen corresponding path program 1 times [2020-12-23 10:59:26,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:26,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454120320] [2020-12-23 10:59:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:26,901 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 10:59:26,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454120320] [2020-12-23 10:59:26,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:26,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:26,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968437632] [2020-12-23 10:59:26,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:26,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:26,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:26,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:26,904 INFO L87 Difference]: Start difference. First operand 162 states and 211 transitions. Second operand 3 states. [2020-12-23 10:59:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:26,983 INFO L93 Difference]: Finished difference Result 322 states and 447 transitions. [2020-12-23 10:59:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:26,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 10:59:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:26,985 INFO L225 Difference]: With dead ends: 322 [2020-12-23 10:59:26,985 INFO L226 Difference]: Without dead ends: 238 [2020-12-23 10:59:26,987 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 10:59:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-23 10:59:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2020-12-23 10:59:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-23 10:59:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2020-12-23 10:59:27,042 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 73 [2020-12-23 10:59:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:27,042 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2020-12-23 10:59:27,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2020-12-23 10:59:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 10:59:27,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:27,043 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 10:59:27,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 10:59:27,044 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 10:59:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:27,044 INFO L82 PathProgramCache]: Analyzing trace with hash -786943772, now seen corresponding path program 1 times [2020-12-23 10:59:27,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:27,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735910229] [2020-12-23 10:59:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:27,129 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 10:59:27,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735910229] [2020-12-23 10:59:27,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:27,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:59:27,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389456139] [2020-12-23 10:59:27,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:27,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:27,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:27,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:27,132 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand 5 states. [2020-12-23 10:59:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:27,399 INFO L93 Difference]: Finished difference Result 766 states and 1100 transitions. [2020-12-23 10:59:27,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:27,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 10:59:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:27,405 INFO L225 Difference]: With dead ends: 766 [2020-12-23 10:59:27,406 INFO L226 Difference]: Without dead ends: 608 [2020-12-23 10:59:27,407 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 10:59:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-12-23 10:59:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 318. [2020-12-23 10:59:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-23 10:59:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 441 transitions. [2020-12-23 10:59:27,544 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 441 transitions. Word has length 75 [2020-12-23 10:59:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:27,545 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 441 transitions. [2020-12-23 10:59:27,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 441 transitions. [2020-12-23 10:59:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 10:59:27,546 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:27,546 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 10:59:27,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 10:59:27,547 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 10:59:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1322322984, now seen corresponding path program 1 times [2020-12-23 10:59:27,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:27,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092839764] [2020-12-23 10:59:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:27,672 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 10:59:27,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092839764] [2020-12-23 10:59:27,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:27,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:59:27,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578116495] [2020-12-23 10:59:27,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:27,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:27,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:27,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:27,675 INFO L87 Difference]: Start difference. First operand 318 states and 441 transitions. Second operand 5 states. [2020-12-23 10:59:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:28,003 INFO L93 Difference]: Finished difference Result 808 states and 1163 transitions. [2020-12-23 10:59:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:28,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 10:59:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:28,007 INFO L225 Difference]: With dead ends: 808 [2020-12-23 10:59:28,007 INFO L226 Difference]: Without dead ends: 650 [2020-12-23 10:59:28,008 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 10:59:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-12-23 10:59:28,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 482. [2020-12-23 10:59:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-12-23 10:59:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 687 transitions. [2020-12-23 10:59:28,182 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 687 transitions. Word has length 75 [2020-12-23 10:59:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:28,182 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 687 transitions. [2020-12-23 10:59:28,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 687 transitions. [2020-12-23 10:59:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 10:59:28,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:28,184 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 10:59:28,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 10:59:28,184 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 10:59:28,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:28,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1446907099, now seen corresponding path program 1 times [2020-12-23 10:59:28,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:28,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14114725] [2020-12-23 10:59:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:28,236 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 10:59:28,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14114725] [2020-12-23 10:59:28,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:28,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:28,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747289687] [2020-12-23 10:59:28,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:28,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:28,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:28,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:28,239 INFO L87 Difference]: Start difference. First operand 482 states and 687 transitions. Second operand 3 states. [2020-12-23 10:59:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:28,515 INFO L93 Difference]: Finished difference Result 1134 states and 1659 transitions. [2020-12-23 10:59:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:28,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 10:59:28,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:28,520 INFO L225 Difference]: With dead ends: 1134 [2020-12-23 10:59:28,520 INFO L226 Difference]: Without dead ends: 730 [2020-12-23 10:59:28,521 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 10:59:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-12-23 10:59:28,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 728. [2020-12-23 10:59:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-12-23 10:59:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1040 transitions. [2020-12-23 10:59:28,712 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1040 transitions. Word has length 75 [2020-12-23 10:59:28,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:28,712 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 1040 transitions. [2020-12-23 10:59:28,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1040 transitions. [2020-12-23 10:59:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 10:59:28,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:28,714 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 10:59:28,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 10:59:28,714 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 10:59:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:28,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2078767204, now seen corresponding path program 1 times [2020-12-23 10:59:28,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:28,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502872189] [2020-12-23 10:59:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:28,755 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 10:59:28,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502872189] [2020-12-23 10:59:28,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:28,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:28,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845663134] [2020-12-23 10:59:28,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:28,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:28,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:28,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:28,757 INFO L87 Difference]: Start difference. First operand 728 states and 1040 transitions. Second operand 3 states. [2020-12-23 10:59:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:29,329 INFO L93 Difference]: Finished difference Result 1930 states and 2786 transitions. [2020-12-23 10:59:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:29,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 10:59:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:29,336 INFO L225 Difference]: With dead ends: 1930 [2020-12-23 10:59:29,337 INFO L226 Difference]: Without dead ends: 1280 [2020-12-23 10:59:29,338 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 10:59:29,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-12-23 10:59:29,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1278. [2020-12-23 10:59:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-12-23 10:59:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1802 transitions. [2020-12-23 10:59:29,822 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1802 transitions. Word has length 75 [2020-12-23 10:59:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:29,823 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1802 transitions. [2020-12-23 10:59:29,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1802 transitions. [2020-12-23 10:59:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 10:59:29,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:29,824 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 10:59:29,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 10:59:29,825 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 10:59:29,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:29,825 INFO L82 PathProgramCache]: Analyzing trace with hash 95104542, now seen corresponding path program 1 times [2020-12-23 10:59:29,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:29,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914375239] [2020-12-23 10:59:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:29,920 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 10:59:29,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914375239] [2020-12-23 10:59:29,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:29,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:59:29,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679335007] [2020-12-23 10:59:29,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:59:29,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:29,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:59:29,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:59:29,922 INFO L87 Difference]: Start difference. First operand 1278 states and 1802 transitions. Second operand 5 states. [2020-12-23 10:59:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:30,790 INFO L93 Difference]: Finished difference Result 2524 states and 3586 transitions. [2020-12-23 10:59:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:59:30,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 10:59:30,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:30,800 INFO L225 Difference]: With dead ends: 2524 [2020-12-23 10:59:30,800 INFO L226 Difference]: Without dead ends: 2080 [2020-12-23 10:59:30,802 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 10:59:30,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2020-12-23 10:59:31,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1580. [2020-12-23 10:59:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-12-23 10:59:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2234 transitions. [2020-12-23 10:59:31,434 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2234 transitions. Word has length 75 [2020-12-23 10:59:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:31,437 INFO L481 AbstractCegarLoop]: Abstraction has 1580 states and 2234 transitions. [2020-12-23 10:59:31,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2234 transitions. [2020-12-23 10:59:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 10:59:31,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:31,439 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 10:59:31,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 10:59:31,439 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 10:59:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:31,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1963614716, now seen corresponding path program 1 times [2020-12-23 10:59:31,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:31,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035024585] [2020-12-23 10:59:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:31,506 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 10:59:31,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035024585] [2020-12-23 10:59:31,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:31,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:31,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119090845] [2020-12-23 10:59:31,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:31,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:31,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:31,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:31,511 INFO L87 Difference]: Start difference. First operand 1580 states and 2234 transitions. Second operand 3 states. [2020-12-23 10:59:32,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:32,566 INFO L93 Difference]: Finished difference Result 4024 states and 5703 transitions. [2020-12-23 10:59:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:32,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 10:59:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:32,579 INFO L225 Difference]: With dead ends: 4024 [2020-12-23 10:59:32,580 INFO L226 Difference]: Without dead ends: 2522 [2020-12-23 10:59:32,584 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 10:59:32,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2020-12-23 10:59:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2368. [2020-12-23 10:59:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-12-23 10:59:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3306 transitions. [2020-12-23 10:59:33,584 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3306 transitions. Word has length 76 [2020-12-23 10:59:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:33,584 INFO L481 AbstractCegarLoop]: Abstraction has 2368 states and 3306 transitions. [2020-12-23 10:59:33,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3306 transitions. [2020-12-23 10:59:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 10:59:33,589 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:33,589 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 10:59:33,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 10:59:33,590 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 10:59:33,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:33,590 INFO L82 PathProgramCache]: Analyzing trace with hash -628172474, now seen corresponding path program 1 times [2020-12-23 10:59:33,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:33,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82981542] [2020-12-23 10:59:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:33,657 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 10:59:33,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82981542] [2020-12-23 10:59:33,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:33,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:33,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610620643] [2020-12-23 10:59:33,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:33,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:33,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:33,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:33,664 INFO L87 Difference]: Start difference. First operand 2368 states and 3306 transitions. Second operand 3 states. [2020-12-23 10:59:35,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:35,274 INFO L93 Difference]: Finished difference Result 6708 states and 9328 transitions. [2020-12-23 10:59:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:35,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 10:59:35,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:35,294 INFO L225 Difference]: With dead ends: 6708 [2020-12-23 10:59:35,295 INFO L226 Difference]: Without dead ends: 4418 [2020-12-23 10:59:35,298 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 10:59:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4418 states. [2020-12-23 10:59:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4418 to 4176. [2020-12-23 10:59:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4176 states. [2020-12-23 10:59:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 5746 transitions. [2020-12-23 10:59:36,670 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 5746 transitions. Word has length 77 [2020-12-23 10:59:36,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:36,671 INFO L481 AbstractCegarLoop]: Abstraction has 4176 states and 5746 transitions. [2020-12-23 10:59:36,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 5746 transitions. [2020-12-23 10:59:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 10:59:36,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:36,672 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 10:59:36,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 10:59:36,673 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 10:59:36,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:36,673 INFO L82 PathProgramCache]: Analyzing trace with hash -763788569, now seen corresponding path program 1 times [2020-12-23 10:59:36,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:36,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847991771] [2020-12-23 10:59:36,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:36,727 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 10:59:36,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847991771] [2020-12-23 10:59:36,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:36,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:36,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244929631] [2020-12-23 10:59:36,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:36,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:36,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:36,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:36,729 INFO L87 Difference]: Start difference. First operand 4176 states and 5746 transitions. Second operand 3 states. [2020-12-23 10:59:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:38,878 INFO L93 Difference]: Finished difference Result 11892 states and 16228 transitions. [2020-12-23 10:59:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:38,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 10:59:38,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:38,913 INFO L225 Difference]: With dead ends: 11892 [2020-12-23 10:59:38,913 INFO L226 Difference]: Without dead ends: 7794 [2020-12-23 10:59:38,920 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 10:59:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7794 states. [2020-12-23 10:59:40,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7794 to 7312. [2020-12-23 10:59:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7312 states. [2020-12-23 10:59:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 9846 transitions. [2020-12-23 10:59:40,879 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 9846 transitions. Word has length 78 [2020-12-23 10:59:40,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:40,879 INFO L481 AbstractCegarLoop]: Abstraction has 7312 states and 9846 transitions. [2020-12-23 10:59:40,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:40,880 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 9846 transitions. [2020-12-23 10:59:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 10:59:40,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:40,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:59:40,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 10:59:40,881 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 10:59:40,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:40,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1461539563, now seen corresponding path program 1 times [2020-12-23 10:59:40,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:40,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219193052] [2020-12-23 10:59:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:40,972 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 10:59:40,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219193052] [2020-12-23 10:59:40,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:40,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:59:40,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346009223] [2020-12-23 10:59:40,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:59:40,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:40,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:59:40,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:59:40,974 INFO L87 Difference]: Start difference. First operand 7312 states and 9846 transitions. Second operand 6 states. [2020-12-23 10:59:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:44,060 INFO L93 Difference]: Finished difference Result 11200 states and 14982 transitions. [2020-12-23 10:59:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 10:59:44,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-12-23 10:59:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:44,083 INFO L225 Difference]: With dead ends: 11200 [2020-12-23 10:59:44,084 INFO L226 Difference]: Without dead ends: 11198 [2020-12-23 10:59:44,086 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 10:59:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11198 states. [2020-12-23 10:59:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11198 to 7504. [2020-12-23 10:59:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7504 states. [2020-12-23 10:59:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7504 states to 7504 states and 9958 transitions. [2020-12-23 10:59:46,290 INFO L78 Accepts]: Start accepts. Automaton has 7504 states and 9958 transitions. Word has length 79 [2020-12-23 10:59:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:46,290 INFO L481 AbstractCegarLoop]: Abstraction has 7504 states and 9958 transitions. [2020-12-23 10:59:46,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:59:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 7504 states and 9958 transitions. [2020-12-23 10:59:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 10:59:46,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:46,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:59:46,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 10:59:46,291 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 10:59:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash 965347417, now seen corresponding path program 1 times [2020-12-23 10:59:46,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:46,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864638408] [2020-12-23 10:59:46,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:46,345 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 10:59:46,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864638408] [2020-12-23 10:59:46,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:46,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:59:46,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632715122] [2020-12-23 10:59:46,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:59:46,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:46,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:59:46,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:59:46,347 INFO L87 Difference]: Start difference. First operand 7504 states and 9958 transitions. Second operand 3 states. [2020-12-23 10:59:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:48,347 INFO L93 Difference]: Finished difference Result 15140 states and 20124 transitions. [2020-12-23 10:59:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:59:48,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 10:59:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:48,362 INFO L225 Difference]: With dead ends: 15140 [2020-12-23 10:59:48,363 INFO L226 Difference]: Without dead ends: 7714 [2020-12-23 10:59:48,372 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 10:59:48,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2020-12-23 10:59:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 7712. [2020-12-23 10:59:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7712 states. [2020-12-23 10:59:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7712 states to 7712 states and 10098 transitions. [2020-12-23 10:59:50,390 INFO L78 Accepts]: Start accepts. Automaton has 7712 states and 10098 transitions. Word has length 79 [2020-12-23 10:59:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:50,391 INFO L481 AbstractCegarLoop]: Abstraction has 7712 states and 10098 transitions. [2020-12-23 10:59:50,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:59:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7712 states and 10098 transitions. [2020-12-23 10:59:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 10:59:50,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:50,395 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:59:50,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 10:59:50,395 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 10:59:50,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:50,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1381911094, now seen corresponding path program 1 times [2020-12-23 10:59:50,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:50,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143709777] [2020-12-23 10:59:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:59:50,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143709777] [2020-12-23 10:59:50,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55355199] [2020-12-23 10:59:50,665 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 10:59:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:50,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 10:59:50,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 10:59:51,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 10:59:51,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 10:59:51,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 10:59:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:59:51,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 10:59:51,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2020-12-23 10:59:51,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338832598] [2020-12-23 10:59:51,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 10:59:51,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:51,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 10:59:51,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-23 10:59:51,534 INFO L87 Difference]: Start difference. First operand 7712 states and 10098 transitions. Second operand 18 states. [2020-12-23 11:00:15,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:15,939 INFO L93 Difference]: Finished difference Result 66656 states and 85795 transitions. [2020-12-23 11:00:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-12-23 11:00:15,940 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 101 [2020-12-23 11:00:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:16,202 INFO L225 Difference]: With dead ends: 66656 [2020-12-23 11:00:16,204 INFO L226 Difference]: Without dead ends: 59022 [2020-12-23 11:00:16,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2651 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1537, Invalid=6653, Unknown=0, NotChecked=0, Total=8190 [2020-12-23 11:00:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59022 states. [2020-12-23 11:00:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59022 to 16490. [2020-12-23 11:00:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16490 states. [2020-12-23 11:00:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16490 states to 16490 states and 21452 transitions. [2020-12-23 11:00:22,634 INFO L78 Accepts]: Start accepts. Automaton has 16490 states and 21452 transitions. Word has length 101 [2020-12-23 11:00:22,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:22,634 INFO L481 AbstractCegarLoop]: Abstraction has 16490 states and 21452 transitions. [2020-12-23 11:00:22,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 11:00:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 16490 states and 21452 transitions. [2020-12-23 11:00:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 11:00:22,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:22,641 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:22,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-23 11:00:22,856 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 11:00:22,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:22,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1466079819, now seen corresponding path program 1 times [2020-12-23 11:00:22,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:22,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489690701] [2020-12-23 11:00:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-23 11:00:22,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489690701] [2020-12-23 11:00:22,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:22,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:00:22,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894107417] [2020-12-23 11:00:22,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:00:22,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:22,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:00:22,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:00:22,915 INFO L87 Difference]: Start difference. First operand 16490 states and 21452 transitions. Second operand 3 states. [2020-12-23 11:00:27,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:27,582 INFO L93 Difference]: Finished difference Result 31508 states and 41189 transitions. [2020-12-23 11:00:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:00:27,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 11:00:27,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:27,619 INFO L225 Difference]: With dead ends: 31508 [2020-12-23 11:00:27,619 INFO L226 Difference]: Without dead ends: 15110 [2020-12-23 11:00:27,643 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 11:00:27,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15110 states. [2020-12-23 11:00:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15110 to 15110. [2020-12-23 11:00:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15110 states. [2020-12-23 11:00:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15110 states to 15110 states and 19588 transitions. [2020-12-23 11:00:32,529 INFO L78 Accepts]: Start accepts. Automaton has 15110 states and 19588 transitions. Word has length 102 [2020-12-23 11:00:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:32,529 INFO L481 AbstractCegarLoop]: Abstraction has 15110 states and 19588 transitions. [2020-12-23 11:00:32,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:00:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 15110 states and 19588 transitions. [2020-12-23 11:00:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 11:00:32,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:32,535 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, 1] [2020-12-23 11:00:32,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 11:00:32,535 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 11:00:32,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:32,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1423038550, now seen corresponding path program 1 times [2020-12-23 11:00:32,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:32,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391712678] [2020-12-23 11:00:32,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 11:00:32,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391712678] [2020-12-23 11:00:32,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:32,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 11:00:32,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687983993] [2020-12-23 11:00:32,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 11:00:32,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:32,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 11:00:32,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:00:32,831 INFO L87 Difference]: Start difference. First operand 15110 states and 19588 transitions. Second operand 11 states. [2020-12-23 11:00:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:57,066 INFO L93 Difference]: Finished difference Result 85046 states and 109232 transitions. [2020-12-23 11:00:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 11:00:57,066 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-12-23 11:00:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:57,246 INFO L225 Difference]: With dead ends: 85046 [2020-12-23 11:00:57,246 INFO L226 Difference]: Without dead ends: 70016 [2020-12-23 11:00:57,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-23 11:00:57,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70016 states. [2020-12-23 11:01:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70016 to 15118. [2020-12-23 11:01:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15118 states. [2020-12-23 11:01:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15118 states to 15118 states and 19596 transitions. [2020-12-23 11:01:03,410 INFO L78 Accepts]: Start accepts. Automaton has 15118 states and 19596 transitions. Word has length 102 [2020-12-23 11:01:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:01:03,410 INFO L481 AbstractCegarLoop]: Abstraction has 15118 states and 19596 transitions. [2020-12-23 11:01:03,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 11:01:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 15118 states and 19596 transitions. [2020-12-23 11:01:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 11:01:03,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:01:03,416 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, 1, 1] [2020-12-23 11:01:03,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 11:01:03,416 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 11:01:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:01:03,417 INFO L82 PathProgramCache]: Analyzing trace with hash -76770222, now seen corresponding path program 1 times [2020-12-23 11:01:03,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:01:03,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115401384] [2020-12-23 11:01:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:01:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:04,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115401384] [2020-12-23 11:01:04,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247039574] [2020-12-23 11:01:04,033 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 11:01:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:01:04,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 11:01:04,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 11:01:04,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:01:04,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 11:01:04,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 11:01:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:01:05,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 11:01:05,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 27 [2020-12-23 11:01:05,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624213669] [2020-12-23 11:01:05,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-23 11:01:05,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:01:05,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-23 11:01:05,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2020-12-23 11:01:05,117 INFO L87 Difference]: Start difference. First operand 15118 states and 19596 transitions. Second operand 27 states. [2020-12-23 11:01:06,079 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-12-23 11:01:06,274 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-12-23 11:01:06,514 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-23 11:01:06,743 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 49 [2020-12-23 11:01:06,913 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-12-23 11:01:07,181 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 11:01:07,513 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-12-23 11:01:07,678 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-12-23 11:01:08,034 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-12-23 11:01:08,200 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-12-23 11:01:08,345 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-12-23 11:01:08,612 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2020-12-23 11:01:08,807 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-12-23 11:01:08,985 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-12-23 11:01:09,220 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-12-23 11:01:09,510 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-23 11:01:09,718 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-23 11:01:10,263 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2020-12-23 11:01:10,613 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 82 [2020-12-23 11:01:10,839 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-12-23 11:01:11,278 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2020-12-23 11:01:11,586 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-12-23 11:01:12,088 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-23 11:01:12,283 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-12-23 11:01:12,737 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2020-12-23 11:01:13,120 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-12-23 11:01:13,492 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-23 11:01:14,010 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2020-12-23 11:01:14,182 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 11:01:14,569 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2020-12-23 11:01:14,794 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-12-23 11:01:15,428 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-12-23 11:01:15,865 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2020-12-23 11:01:16,218 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-23 11:01:16,871 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2020-12-23 11:01:17,368 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2020-12-23 11:01:17,880 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2020-12-23 11:01:18,265 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-12-23 11:01:18,656 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2020-12-23 11:01:19,204 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2020-12-23 11:01:19,557 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-12-23 11:01:19,972 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-12-23 11:01:20,169 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:01:20,524 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-12-23 11:01:21,238 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-12-23 11:01:21,634 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-23 11:01:22,698 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-12-23 11:01:23,071 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-12-23 11:01:23,442 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-12-23 11:01:24,050 WARN L197 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-12-23 11:01:24,392 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-12-23 11:01:24,789 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-12-23 11:01:25,618 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-23 11:01:26,059 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-23 11:01:26,499 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-12-23 11:01:26,926 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-12-23 11:01:27,483 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-12-23 11:01:27,943 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 11:01:29,030 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-12-23 11:01:29,496 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-12-23 11:01:29,944 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-12-23 11:01:30,428 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-12-23 11:01:30,929 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-12-23 11:01:31,429 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2020-12-23 11:01:31,971 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2020-12-23 11:01:32,187 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-23 11:01:32,637 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-23 11:01:32,979 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-12-23 11:01:33,262 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:01:33,539 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-12-23 11:01:34,640 WARN L197 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 86 [2020-12-23 11:01:35,252 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2020-12-23 11:01:36,273 WARN L197 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 86 [2020-12-23 11:01:36,887 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2020-12-23 11:01:38,105 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 121 DAG size of output: 87 [2020-12-23 11:01:38,517 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-12-23 11:01:39,735 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 121 DAG size of output: 87 [2020-12-23 11:01:40,112 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-12-23 11:01:40,660 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-12-23 11:01:40,988 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-12-23 11:01:41,363 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-12-23 11:01:42,115 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2020-12-23 11:01:42,541 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-12-23 11:01:42,894 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-23 11:01:43,279 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-12-23 11:01:44,225 WARN L197 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2020-12-23 11:01:44,670 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2020-12-23 11:01:45,014 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-12-23 11:01:45,349 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:01:45,570 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 11:01:45,799 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:01:46,271 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-23 11:01:46,504 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-12-23 11:01:46,728 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-12-23 11:01:47,865 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 94 [2020-12-23 11:01:48,247 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-12-23 11:01:49,354 WARN L197 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2020-12-23 11:01:49,713 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2020-12-23 11:01:50,329 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 81 [2020-12-23 11:01:50,557 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-12-23 11:01:50,805 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-12-23 11:01:51,816 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2020-12-23 11:01:52,110 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-12-23 11:01:53,342 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2020-12-23 11:01:53,765 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-23 11:01:55,494 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2020-12-23 11:01:56,009 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-12-23 11:01:57,436 WARN L197 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2020-12-23 11:01:58,145 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-12-23 11:01:59,511 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2020-12-23 11:02:01,355 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2020-12-23 11:02:03,201 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2020-12-23 11:02:03,872 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-12-23 11:02:04,212 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-23 11:02:04,434 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-23 11:02:04,836 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:02:05,185 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-12-23 11:02:07,091 WARN L197 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2020-12-23 11:02:07,654 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-12-23 11:02:09,715 WARN L197 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2020-12-23 11:02:11,757 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-12-23 11:02:12,483 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-12-23 11:02:13,100 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-12-23 11:02:13,550 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-12-23 11:02:13,977 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-12-23 11:02:15,629 WARN L197 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2020-12-23 11:02:16,091 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2020-12-23 11:02:16,636 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2020-12-23 11:02:17,143 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2020-12-23 11:02:17,805 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-12-23 11:02:18,336 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-12-23 11:02:18,940 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-12-23 11:02:19,376 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-12-23 11:02:19,870 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2020-12-23 11:02:20,359 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-12-23 11:02:20,799 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-12-23 11:02:21,129 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 11:02:21,425 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-23 11:02:21,661 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 11:02:22,319 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-12-23 11:02:22,800 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-12-23 11:02:23,980 WARN L197 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2020-12-23 11:02:24,396 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-12-23 11:02:25,501 WARN L197 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2020-12-23 11:02:26,622 WARN L197 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2020-12-23 11:02:27,094 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-12-23 11:02:27,466 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 11:02:28,111 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-12-23 11:02:28,464 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:02:28,886 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-23 11:02:29,511 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-12-23 11:02:29,911 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 11:02:30,525 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2020-12-23 11:02:30,921 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:02:31,167 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-23 11:02:31,638 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:02:32,280 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-12-23 11:02:32,974 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2020-12-23 11:02:33,624 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2020-12-23 11:02:34,128 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-12-23 11:02:34,825 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-12-23 11:02:35,331 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-12-23 11:02:35,758 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-12-23 11:02:36,020 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-12-23 11:02:36,691 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2020-12-23 11:02:37,114 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-12-23 11:02:37,720 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-12-23 11:02:38,166 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-12-23 11:02:38,737 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-12-23 11:02:39,147 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 11:02:39,367 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 11:02:39,723 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 11:02:40,035 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 11:02:40,437 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-12-23 11:02:40,766 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-12-23 11:02:41,121 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-12-23 11:02:42,377 WARN L197 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-12-23 11:02:42,765 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-23 11:02:43,409 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-12-23 11:02:43,786 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 11:02:44,976 WARN L197 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2020-12-23 11:02:45,328 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:02:45,948 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-23 11:02:46,273 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-23 11:02:46,767 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2020-12-23 11:02:47,308 WARN L197 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-12-23 11:02:47,783 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2020-12-23 11:02:48,342 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-12-23 11:02:48,776 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-12-23 11:02:49,284 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-12-23 11:02:49,729 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2020-12-23 11:02:50,289 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2020-12-23 11:02:50,701 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-23 11:02:50,969 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 11:02:51,211 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-23 11:02:51,502 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:02:51,731 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-23 11:02:52,317 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-23 11:02:52,655 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-12-23 11:02:53,974 WARN L197 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2020-12-23 11:02:54,360 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 11:02:54,847 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-12-23 11:02:55,175 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-12-23 11:02:55,641 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-12-23 11:02:56,752 WARN L197 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2020-12-23 11:02:57,144 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-23 11:02:57,630 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-12-23 11:02:57,936 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-23 11:02:58,523 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-12-23 11:02:58,955 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2020-12-23 11:02:59,316 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-23 11:02:59,874 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-12-23 11:03:00,185 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-12-23 11:03:00,732 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2020-12-23 11:03:01,132 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-23 11:03:01,347 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 11:03:01,663 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-23 11:03:03,038 WARN L197 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69