/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-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:38:03,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:38:03,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:38:03,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:38:03,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:38:03,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:38:03,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:38:03,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:38:03,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:38:03,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:38:03,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:38:03,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:38:03,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:38:03,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:38:03,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:38:03,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:38:03,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:38:03,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:38:03,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:38:03,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:38:03,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:38:03,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:38:03,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:38:03,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:38:03,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:38:03,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:38:03,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:38:03,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:38:03,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:38:03,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:38:03,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:38:03,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:38:03,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:38:03,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:38:03,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:38:03,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:38:03,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:38:03,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:38:03,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:38:03,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:38:03,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:38:03,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:38:03,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:38:03,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:38:03,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:38:03,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:38:03,457 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:38:03,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:38:03,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:38:03,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:38:03,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:38:03,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:38:03,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:38:03,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:38:03,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:38:03,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:38:03,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:38:03,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:38:03,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:38:03,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:38:03,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:38:03,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:38:03,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:38:03,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:38:03,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:38:03,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:38:03,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:38:03,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:38:03,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:38:03,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:38:03,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:38:03,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:38:03,874 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:38:03,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-01-06 20:38:03,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d5d9a16ac/2b93f67138194bfcad9e5b4a82b3ff30/FLAG34ecdd0a1 [2021-01-06 20:38:04,564 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:38:04,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-01-06 20:38:04,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d5d9a16ac/2b93f67138194bfcad9e5b4a82b3ff30/FLAG34ecdd0a1 [2021-01-06 20:38:04,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d5d9a16ac/2b93f67138194bfcad9e5b4a82b3ff30 [2021-01-06 20:38:04,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:38:04,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:38:04,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:38:04,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:38:04,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:38:04,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:38:04" (1/1) ... [2021-01-06 20:38:04,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76adc569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:04, skipping insertion in model container [2021-01-06 20:38:04,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:38:04" (1/1) ... [2021-01-06 20:38:04,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:38:04,985 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[~alive1~0,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[~alive2~0,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[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19350~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_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[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19449~0,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[~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[~p4_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[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19596_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_19612~0,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,] [2021-01-06 20:38:05,234 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-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[6849,6862] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~p4_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[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19596_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] 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[~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[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] 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[~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[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] 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[~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[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19626~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,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[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,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[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:38:05,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:38:05,315 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[~alive1~0,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[~alive2~0,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[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19350~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_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[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19449~0,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[~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[~p4_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[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19596_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] 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[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_19612~0,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,] [2021-01-06 20:38:05,411 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-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[6849,6862] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] 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[~p4_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[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_19596_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] 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[~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[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] 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[~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[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] 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[~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[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_19626~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,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[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,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[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] [2021-01-06 20:38:05,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:38:05,479 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:38:05,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05 WrapperNode [2021-01-06 20:38:05,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:38:05,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:38:05,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:38:05,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:38:05,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:38:05,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:38:05,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:38:05,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:38:05,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (1/1) ... [2021-01-06 20:38:05,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:38:05,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:38:05,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:38:05,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:38:05,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (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 [2021-01-06 20:38:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:38:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:38:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:38:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:38:06,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:38:06,874 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:38:06,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:38:06 BoogieIcfgContainer [2021-01-06 20:38:06,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:38:06,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:38:06,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:38:06,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:38:06,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:38:04" (1/3) ... [2021-01-06 20:38:06,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdde6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:38:06, skipping insertion in model container [2021-01-06 20:38:06,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:38:05" (2/3) ... [2021-01-06 20:38:06,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdde6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:38:06, skipping insertion in model container [2021-01-06 20:38:06,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:38:06" (3/3) ... [2021-01-06 20:38:06,885 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-01-06 20:38:06,892 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:38:06,898 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:38:06,917 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:38:06,946 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:38:06,947 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:38:06,947 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:38:06,947 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:38:06,947 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:38:06,947 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:38:06,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:38:06,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:38:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2021-01-06 20:38:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 20:38:06,980 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:06,981 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] [2021-01-06 20:38:06,981 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:06,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:06,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1338980314, now seen corresponding path program 1 times [2021-01-06 20:38:06,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:06,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567638561] [2021-01-06 20:38:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:07,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567638561] [2021-01-06 20:38:07,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:07,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:38:07,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144811238] [2021-01-06 20:38:07,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:38:07,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:07,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:38:07,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:38:07,424 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2021-01-06 20:38:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:07,583 INFO L93 Difference]: Finished difference Result 365 states and 600 transitions. [2021-01-06 20:38:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:38:07,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 20:38:07,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:07,622 INFO L225 Difference]: With dead ends: 365 [2021-01-06 20:38:07,624 INFO L226 Difference]: Without dead ends: 275 [2021-01-06 20:38:07,631 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 [2021-01-06 20:38:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-01-06 20:38:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2021-01-06 20:38:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-01-06 20:38:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 409 transitions. [2021-01-06 20:38:07,749 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 409 transitions. Word has length 65 [2021-01-06 20:38:07,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:07,750 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 409 transitions. [2021-01-06 20:38:07,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:38:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 409 transitions. [2021-01-06 20:38:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 20:38:07,753 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:07,754 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] [2021-01-06 20:38:07,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:38:07,754 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:07,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:07,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1162317624, now seen corresponding path program 1 times [2021-01-06 20:38:07,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:07,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489848854] [2021-01-06 20:38:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:08,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489848854] [2021-01-06 20:38:08,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:08,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:38:08,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916041774] [2021-01-06 20:38:08,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:38:08,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:08,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:38:08,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:08,088 INFO L87 Difference]: Start difference. First operand 273 states and 409 transitions. Second operand 6 states. [2021-01-06 20:38:08,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:08,380 INFO L93 Difference]: Finished difference Result 1003 states and 1541 transitions. [2021-01-06 20:38:08,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:38:08,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2021-01-06 20:38:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:08,388 INFO L225 Difference]: With dead ends: 1003 [2021-01-06 20:38:08,388 INFO L226 Difference]: Without dead ends: 793 [2021-01-06 20:38:08,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:08,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2021-01-06 20:38:08,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 787. [2021-01-06 20:38:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2021-01-06 20:38:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1199 transitions. [2021-01-06 20:38:08,452 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1199 transitions. Word has length 66 [2021-01-06 20:38:08,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:08,453 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1199 transitions. [2021-01-06 20:38:08,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:38:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1199 transitions. [2021-01-06 20:38:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:38:08,457 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:08,457 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] [2021-01-06 20:38:08,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:38:08,458 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:08,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:08,459 INFO L82 PathProgramCache]: Analyzing trace with hash -314049844, now seen corresponding path program 1 times [2021-01-06 20:38:08,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:08,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419132601] [2021-01-06 20:38:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:08,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419132601] [2021-01-06 20:38:08,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:08,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:38:08,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289176819] [2021-01-06 20:38:08,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:38:08,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:38:08,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:08,627 INFO L87 Difference]: Start difference. First operand 787 states and 1199 transitions. Second operand 6 states. [2021-01-06 20:38:09,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:09,055 INFO L93 Difference]: Finished difference Result 2641 states and 4082 transitions. [2021-01-06 20:38:09,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:38:09,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2021-01-06 20:38:09,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:09,067 INFO L225 Difference]: With dead ends: 2641 [2021-01-06 20:38:09,067 INFO L226 Difference]: Without dead ends: 1905 [2021-01-06 20:38:09,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:38:09,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2021-01-06 20:38:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1901. [2021-01-06 20:38:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2021-01-06 20:38:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2928 transitions. [2021-01-06 20:38:09,197 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2928 transitions. Word has length 67 [2021-01-06 20:38:09,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:09,198 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 2928 transitions. [2021-01-06 20:38:09,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:38:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2928 transitions. [2021-01-06 20:38:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:38:09,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:09,203 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] [2021-01-06 20:38:09,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:38:09,203 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:09,204 INFO L82 PathProgramCache]: Analyzing trace with hash -301249106, now seen corresponding path program 1 times [2021-01-06 20:38:09,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:09,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088581268] [2021-01-06 20:38:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:09,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088581268] [2021-01-06 20:38:09,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:09,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:38:09,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944762461] [2021-01-06 20:38:09,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:38:09,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:09,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:38:09,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:09,314 INFO L87 Difference]: Start difference. First operand 1901 states and 2928 transitions. Second operand 6 states. [2021-01-06 20:38:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:09,904 INFO L93 Difference]: Finished difference Result 6611 states and 10261 transitions. [2021-01-06 20:38:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:38:09,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2021-01-06 20:38:09,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:09,931 INFO L225 Difference]: With dead ends: 6611 [2021-01-06 20:38:09,932 INFO L226 Difference]: Without dead ends: 4811 [2021-01-06 20:38:09,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:38:09,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2021-01-06 20:38:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 4371. [2021-01-06 20:38:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4371 states. [2021-01-06 20:38:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6749 transitions. [2021-01-06 20:38:10,339 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6749 transitions. Word has length 67 [2021-01-06 20:38:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:10,339 INFO L481 AbstractCegarLoop]: Abstraction has 4371 states and 6749 transitions. [2021-01-06 20:38:10,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:38:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6749 transitions. [2021-01-06 20:38:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:38:10,342 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:10,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:38:10,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:38:10,342 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:10,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1722644829, now seen corresponding path program 1 times [2021-01-06 20:38:10,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:10,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507420986] [2021-01-06 20:38:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:10,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507420986] [2021-01-06 20:38:10,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:10,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:38:10,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310463752] [2021-01-06 20:38:10,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:38:10,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:10,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:38:10,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:10,477 INFO L87 Difference]: Start difference. First operand 4371 states and 6749 transitions. Second operand 6 states. [2021-01-06 20:38:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:11,665 INFO L93 Difference]: Finished difference Result 16440 states and 25438 transitions. [2021-01-06 20:38:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:38:11,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2021-01-06 20:38:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:11,730 INFO L225 Difference]: With dead ends: 16440 [2021-01-06 20:38:11,730 INFO L226 Difference]: Without dead ends: 12143 [2021-01-06 20:38:11,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:38:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12143 states. [2021-01-06 20:38:12,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12143 to 12139. [2021-01-06 20:38:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12139 states. [2021-01-06 20:38:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12139 states to 12139 states and 18697 transitions. [2021-01-06 20:38:12,616 INFO L78 Accepts]: Start accepts. Automaton has 12139 states and 18697 transitions. Word has length 67 [2021-01-06 20:38:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:12,616 INFO L481 AbstractCegarLoop]: Abstraction has 12139 states and 18697 transitions. [2021-01-06 20:38:12,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:38:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12139 states and 18697 transitions. [2021-01-06 20:38:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 20:38:12,619 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:12,620 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] [2021-01-06 20:38:12,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:38:12,620 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:12,621 INFO L82 PathProgramCache]: Analyzing trace with hash -262843909, now seen corresponding path program 1 times [2021-01-06 20:38:12,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:12,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22640269] [2021-01-06 20:38:12,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:12,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22640269] [2021-01-06 20:38:12,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:12,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:38:12,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168263566] [2021-01-06 20:38:12,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:38:12,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:12,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:38:12,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:38:12,732 INFO L87 Difference]: Start difference. First operand 12139 states and 18697 transitions. Second operand 5 states. [2021-01-06 20:38:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:14,601 INFO L93 Difference]: Finished difference Result 36103 states and 55673 transitions. [2021-01-06 20:38:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:38:14,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 20:38:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:14,682 INFO L225 Difference]: With dead ends: 36103 [2021-01-06 20:38:14,682 INFO L226 Difference]: Without dead ends: 23999 [2021-01-06 20:38:14,701 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 [2021-01-06 20:38:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23999 states. [2021-01-06 20:38:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23999 to 23997. [2021-01-06 20:38:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23997 states. [2021-01-06 20:38:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23997 states to 23997 states and 36670 transitions. [2021-01-06 20:38:16,423 INFO L78 Accepts]: Start accepts. Automaton has 23997 states and 36670 transitions. Word has length 67 [2021-01-06 20:38:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:16,423 INFO L481 AbstractCegarLoop]: Abstraction has 23997 states and 36670 transitions. [2021-01-06 20:38:16,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:38:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 23997 states and 36670 transitions. [2021-01-06 20:38:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 20:38:16,428 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:16,428 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] [2021-01-06 20:38:16,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:38:16,429 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:16,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash -767077788, now seen corresponding path program 1 times [2021-01-06 20:38:16,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:16,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968839675] [2021-01-06 20:38:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:16,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968839675] [2021-01-06 20:38:16,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:16,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:38:16,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909641838] [2021-01-06 20:38:16,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:38:16,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:16,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:38:16,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:38:16,564 INFO L87 Difference]: Start difference. First operand 23997 states and 36670 transitions. Second operand 5 states. [2021-01-06 20:38:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:18,697 INFO L93 Difference]: Finished difference Result 44165 states and 67094 transitions. [2021-01-06 20:38:18,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:38:18,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 20:38:18,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:18,839 INFO L225 Difference]: With dead ends: 44165 [2021-01-06 20:38:18,839 INFO L226 Difference]: Without dead ends: 44163 [2021-01-06 20:38:18,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44163 states. [2021-01-06 20:38:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44163 to 24393. [2021-01-06 20:38:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24393 states. [2021-01-06 20:38:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24393 states to 24393 states and 37066 transitions. [2021-01-06 20:38:21,025 INFO L78 Accepts]: Start accepts. Automaton has 24393 states and 37066 transitions. Word has length 68 [2021-01-06 20:38:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:21,026 INFO L481 AbstractCegarLoop]: Abstraction has 24393 states and 37066 transitions. [2021-01-06 20:38:21,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:38:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24393 states and 37066 transitions. [2021-01-06 20:38:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 20:38:21,042 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:21,043 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] [2021-01-06 20:38:21,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:38:21,043 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2026121149, now seen corresponding path program 1 times [2021-01-06 20:38:21,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:21,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032881047] [2021-01-06 20:38:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:21,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032881047] [2021-01-06 20:38:21,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:21,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:38:21,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794918544] [2021-01-06 20:38:21,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:38:21,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:21,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:38:21,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:38:21,205 INFO L87 Difference]: Start difference. First operand 24393 states and 37066 transitions. Second operand 4 states. [2021-01-06 20:38:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:23,517 INFO L93 Difference]: Finished difference Result 67564 states and 102243 transitions. [2021-01-06 20:38:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:38:23,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2021-01-06 20:38:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:23,626 INFO L225 Difference]: With dead ends: 67564 [2021-01-06 20:38:23,626 INFO L226 Difference]: Without dead ends: 44102 [2021-01-06 20:38:23,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:38:23,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44102 states. [2021-01-06 20:38:26,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44102 to 44100. [2021-01-06 20:38:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44100 states. [2021-01-06 20:38:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44100 states to 44100 states and 66283 transitions. [2021-01-06 20:38:26,395 INFO L78 Accepts]: Start accepts. Automaton has 44100 states and 66283 transitions. Word has length 69 [2021-01-06 20:38:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:26,396 INFO L481 AbstractCegarLoop]: Abstraction has 44100 states and 66283 transitions. [2021-01-06 20:38:26,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:38:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 44100 states and 66283 transitions. [2021-01-06 20:38:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:38:26,401 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:26,401 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] [2021-01-06 20:38:26,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:38:26,401 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:26,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:26,402 INFO L82 PathProgramCache]: Analyzing trace with hash -304742627, now seen corresponding path program 1 times [2021-01-06 20:38:26,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:26,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733795761] [2021-01-06 20:38:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:26,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733795761] [2021-01-06 20:38:26,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:26,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:38:26,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453112012] [2021-01-06 20:38:26,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:38:26,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:38:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:38:26,458 INFO L87 Difference]: Start difference. First operand 44100 states and 66283 transitions. Second operand 3 states. [2021-01-06 20:38:29,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:29,468 INFO L93 Difference]: Finished difference Result 79471 states and 119410 transitions. [2021-01-06 20:38:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:38:29,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 20:38:29,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:29,590 INFO L225 Difference]: With dead ends: 79471 [2021-01-06 20:38:29,590 INFO L226 Difference]: Without dead ends: 56769 [2021-01-06 20:38:29,638 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 [2021-01-06 20:38:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56769 states. [2021-01-06 20:38:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56769 to 55966. [2021-01-06 20:38:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55966 states. [2021-01-06 20:38:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55966 states to 55966 states and 82939 transitions. [2021-01-06 20:38:33,148 INFO L78 Accepts]: Start accepts. Automaton has 55966 states and 82939 transitions. Word has length 70 [2021-01-06 20:38:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:33,148 INFO L481 AbstractCegarLoop]: Abstraction has 55966 states and 82939 transitions. [2021-01-06 20:38:33,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:38:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 55966 states and 82939 transitions. [2021-01-06 20:38:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:38:33,154 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:33,154 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] [2021-01-06 20:38:33,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:38:33,155 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:33,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1483743676, now seen corresponding path program 1 times [2021-01-06 20:38:33,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:33,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128758403] [2021-01-06 20:38:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:33,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128758403] [2021-01-06 20:38:33,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:33,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:38:33,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967959182] [2021-01-06 20:38:33,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:38:33,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:33,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:38:33,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:38:33,226 INFO L87 Difference]: Start difference. First operand 55966 states and 82939 transitions. Second operand 3 states. [2021-01-06 20:38:36,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:36,971 INFO L93 Difference]: Finished difference Result 78413 states and 115766 transitions. [2021-01-06 20:38:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:38:36,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 20:38:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:37,092 INFO L225 Difference]: With dead ends: 78413 [2021-01-06 20:38:37,092 INFO L226 Difference]: Without dead ends: 63367 [2021-01-06 20:38:37,118 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 [2021-01-06 20:38:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63367 states. [2021-01-06 20:38:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63367 to 59432. [2021-01-06 20:38:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59432 states. [2021-01-06 20:38:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59432 states to 59432 states and 86669 transitions. [2021-01-06 20:38:40,979 INFO L78 Accepts]: Start accepts. Automaton has 59432 states and 86669 transitions. Word has length 70 [2021-01-06 20:38:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:40,979 INFO L481 AbstractCegarLoop]: Abstraction has 59432 states and 86669 transitions. [2021-01-06 20:38:40,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:38:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 59432 states and 86669 transitions. [2021-01-06 20:38:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:38:40,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:40,984 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] [2021-01-06 20:38:40,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:38:40,985 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:40,985 INFO L82 PathProgramCache]: Analyzing trace with hash 44551324, now seen corresponding path program 1 times [2021-01-06 20:38:40,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:40,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216016257] [2021-01-06 20:38:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:41,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216016257] [2021-01-06 20:38:41,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:41,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:38:41,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867718382] [2021-01-06 20:38:41,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:38:41,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:41,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:38:41,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:38:41,072 INFO L87 Difference]: Start difference. First operand 59432 states and 86669 transitions. Second operand 6 states. [2021-01-06 20:38:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:38:49,785 INFO L93 Difference]: Finished difference Result 203476 states and 296237 transitions. [2021-01-06 20:38:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:38:49,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2021-01-06 20:38:49,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:38:50,110 INFO L225 Difference]: With dead ends: 203476 [2021-01-06 20:38:50,110 INFO L226 Difference]: Without dead ends: 154072 [2021-01-06 20:38:50,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:38:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154072 states. [2021-01-06 20:38:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154072 to 83302. [2021-01-06 20:38:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83302 states. [2021-01-06 20:38:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83302 states to 83302 states and 121196 transitions. [2021-01-06 20:38:56,556 INFO L78 Accepts]: Start accepts. Automaton has 83302 states and 121196 transitions. Word has length 70 [2021-01-06 20:38:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:38:56,557 INFO L481 AbstractCegarLoop]: Abstraction has 83302 states and 121196 transitions. [2021-01-06 20:38:56,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:38:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 83302 states and 121196 transitions. [2021-01-06 20:38:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:38:56,562 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:38:56,562 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] [2021-01-06 20:38:56,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:38:56,562 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:38:56,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:38:56,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1768892355, now seen corresponding path program 1 times [2021-01-06 20:38:56,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:38:56,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327037884] [2021-01-06 20:38:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:38:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:38:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:38:56,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327037884] [2021-01-06 20:38:56,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:38:56,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:38:56,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084621857] [2021-01-06 20:38:56,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:38:56,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:38:56,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:38:56,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:38:56,615 INFO L87 Difference]: Start difference. First operand 83302 states and 121196 transitions. Second operand 3 states. [2021-01-06 20:39:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:39:05,633 INFO L93 Difference]: Finished difference Result 211206 states and 307461 transitions. [2021-01-06 20:39:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:39:05,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 20:39:05,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:39:05,870 INFO L225 Difference]: With dead ends: 211206 [2021-01-06 20:39:05,870 INFO L226 Difference]: Without dead ends: 141005 [2021-01-06 20:39:05,947 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 [2021-01-06 20:39:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141005 states. [2021-01-06 20:39:15,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141005 to 140670. [2021-01-06 20:39:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140670 states. [2021-01-06 20:39:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140670 states to 140670 states and 202754 transitions. [2021-01-06 20:39:15,721 INFO L78 Accepts]: Start accepts. Automaton has 140670 states and 202754 transitions. Word has length 70 [2021-01-06 20:39:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:39:15,721 INFO L481 AbstractCegarLoop]: Abstraction has 140670 states and 202754 transitions. [2021-01-06 20:39:15,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:39:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 140670 states and 202754 transitions. [2021-01-06 20:39:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:39:15,728 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:39:15,729 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] [2021-01-06 20:39:15,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:39:15,729 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:39:15,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:39:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1753930236, now seen corresponding path program 1 times [2021-01-06 20:39:15,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:39:15,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623517192] [2021-01-06 20:39:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:39:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:39:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:39:15,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623517192] [2021-01-06 20:39:15,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:39:15,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:39:15,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354098320] [2021-01-06 20:39:15,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:39:15,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:39:15,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:39:15,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:39:15,863 INFO L87 Difference]: Start difference. First operand 140670 states and 202754 transitions. Second operand 6 states. [2021-01-06 20:39:37,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:39:37,179 INFO L93 Difference]: Finished difference Result 345869 states and 499368 transitions. [2021-01-06 20:39:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:39:37,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2021-01-06 20:39:37,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:39:38,069 INFO L225 Difference]: With dead ends: 345869 [2021-01-06 20:39:38,069 INFO L226 Difference]: Without dead ends: 319183 [2021-01-06 20:39:38,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:39:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319183 states. [2021-01-06 20:39:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319183 to 168152. [2021-01-06 20:39:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168152 states. [2021-01-06 20:39:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168152 states to 168152 states and 242264 transitions. [2021-01-06 20:39:52,585 INFO L78 Accepts]: Start accepts. Automaton has 168152 states and 242264 transitions. Word has length 70 [2021-01-06 20:39:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:39:52,585 INFO L481 AbstractCegarLoop]: Abstraction has 168152 states and 242264 transitions. [2021-01-06 20:39:52,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:39:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 168152 states and 242264 transitions. [2021-01-06 20:39:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 20:39:52,592 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:39:52,592 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] [2021-01-06 20:39:52,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:39:52,593 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:39:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:39:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1600159939, now seen corresponding path program 1 times [2021-01-06 20:39:52,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:39:52,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800476153] [2021-01-06 20:39:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:39:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:39:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:39:52,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800476153] [2021-01-06 20:39:52,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:39:52,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:39:52,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405467431] [2021-01-06 20:39:52,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:39:52,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:39:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:39:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:39:52,716 INFO L87 Difference]: Start difference. First operand 168152 states and 242264 transitions. Second operand 6 states.