/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.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:44:04,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:44:04,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:44:04,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:44:04,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:44:04,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:44:04,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:44:04,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:44:04,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:44:04,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:44:04,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:44:04,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:44:04,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:44:04,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:44:04,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:44:04,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:44:04,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:44:04,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:44:04,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:44:04,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:44:04,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:44:04,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:44:04,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:44:04,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:44:04,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:44:04,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:44:04,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:44:04,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:44:04,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:44:04,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:44:04,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:44:04,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:44:04,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:44:05,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:44:05,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:44:05,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:44:05,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:44:05,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:44:05,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:44:05,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:44:05,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:44:05,006 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 20:44:05,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:44:05,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:44:05,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:44:05,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:44:05,046 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:44:05,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:44:05,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:44:05,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:44:05,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:44:05,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:44:05,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:44:05,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:44:05,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:44:05,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:44:05,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:44:05,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:44:05,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:44:05,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:44:05,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:44:05,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:44:05,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:44:05,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:44:05,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:44:05,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:44:05,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:44:05,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:44:05,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:44:05,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:44:05,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:44:05,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:44:05,537 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:44:05,538 INFO L432 ainManager$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.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:44:05,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/652f36537/00349c3feab9464e83cc98c2f18760b7/FLAG70dc29bb7 [2021-01-06 20:44:06,244 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:44:06,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:44:06,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/652f36537/00349c3feab9464e83cc98c2f18760b7/FLAG70dc29bb7 [2021-01-06 20:44:06,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/652f36537/00349c3feab9464e83cc98c2f18760b7 [2021-01-06 20:44:06,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:44:06,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:44:06,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:06,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:44:06,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:44:06,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:06" (1/1) ... [2021-01-06 20:44:06,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a6b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:06, skipping insertion in model container [2021-01-06 20:44:06,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:44:06" (1/1) ... [2021-01-06 20:44:06,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:44:06,649 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[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59448~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_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[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59568~0,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[~p5_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_59727_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_59759~0,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 20:44:06,908 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.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8205,8218] 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[~p5_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_59727_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_59773~0,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[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] 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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] 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 20:44:06,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:07,030 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[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59448~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_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[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_59568~0,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[~p5_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_59727_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,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[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_59759~0,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 20:44:07,220 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8205,8218] 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[~p5_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_59727_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_59773~0,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[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] 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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] 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 20:44:07,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:44:07,426 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:44:07,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07 WrapperNode [2021-01-06 20:44:07,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:44:07,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:07,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:44:07,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:44:07,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:44:07,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:44:07,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:44:07,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:44:07,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (1/1) ... [2021-01-06 20:44:07,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:44:07,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:44:07,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:44:07,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:44:07,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (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 20:44:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:44:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:44:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:44:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:44:08,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:44:08,920 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:44:08,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:08 BoogieIcfgContainer [2021-01-06 20:44:08,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:44:08,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:44:08,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:44:08,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:44:08,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:44:06" (1/3) ... [2021-01-06 20:44:08,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615334c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:08, skipping insertion in model container [2021-01-06 20:44:08,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:44:07" (2/3) ... [2021-01-06 20:44:08,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615334c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:44:08, skipping insertion in model container [2021-01-06 20:44:08,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:44:08" (3/3) ... [2021-01-06 20:44:08,932 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2021-01-06 20:44:08,940 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:44:08,946 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:44:08,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:44:09,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:44:09,006 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:44:09,006 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:44:09,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:44:09,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:44:09,006 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:44:09,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:44:09,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:44:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2021-01-06 20:44:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 20:44:09,039 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:09,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:09,040 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:09,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:09,047 INFO L82 PathProgramCache]: Analyzing trace with hash -981857485, now seen corresponding path program 1 times [2021-01-06 20:44:09,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:09,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842103901] [2021-01-06 20:44:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:09,561 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 20:44:09,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842103901] [2021-01-06 20:44:09,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:09,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:44:09,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940073901] [2021-01-06 20:44:09,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:44:09,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:09,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:44:09,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:44:09,598 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2021-01-06 20:44:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:09,810 INFO L93 Difference]: Finished difference Result 437 states and 720 transitions. [2021-01-06 20:44:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:44:09,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 20:44:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:09,850 INFO L225 Difference]: With dead ends: 437 [2021-01-06 20:44:09,850 INFO L226 Difference]: Without dead ends: 329 [2021-01-06 20:44:09,856 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 20:44:09,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-01-06 20:44:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2021-01-06 20:44:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-01-06 20:44:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 489 transitions. [2021-01-06 20:44:09,941 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 489 transitions. Word has length 81 [2021-01-06 20:44:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:09,942 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 489 transitions. [2021-01-06 20:44:09,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:44:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 489 transitions. [2021-01-06 20:44:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 20:44:09,946 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:09,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:09,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:44:09,947 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:09,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:09,948 INFO L82 PathProgramCache]: Analyzing trace with hash -651776507, now seen corresponding path program 1 times [2021-01-06 20:44:09,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:09,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972650808] [2021-01-06 20:44:09,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:10,351 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 20:44:10,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972650808] [2021-01-06 20:44:10,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:10,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 20:44:10,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127682252] [2021-01-06 20:44:10,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 20:44:10,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:10,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 20:44:10,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:10,363 INFO L87 Difference]: Start difference. First operand 327 states and 489 transitions. Second operand 7 states. [2021-01-06 20:44:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:10,725 INFO L93 Difference]: Finished difference Result 1413 states and 2181 transitions. [2021-01-06 20:44:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:44:10,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2021-01-06 20:44:10,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:10,734 INFO L225 Difference]: With dead ends: 1413 [2021-01-06 20:44:10,734 INFO L226 Difference]: Without dead ends: 1167 [2021-01-06 20:44:10,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:44:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-01-06 20:44:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1159. [2021-01-06 20:44:10,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2021-01-06 20:44:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1782 transitions. [2021-01-06 20:44:10,850 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1782 transitions. Word has length 82 [2021-01-06 20:44:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:10,853 INFO L481 AbstractCegarLoop]: Abstraction has 1159 states and 1782 transitions. [2021-01-06 20:44:10,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 20:44:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1782 transitions. [2021-01-06 20:44:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:44:10,865 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:10,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:10,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:44:10,867 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:10,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:10,870 INFO L82 PathProgramCache]: Analyzing trace with hash 994859382, now seen corresponding path program 1 times [2021-01-06 20:44:10,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:10,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398326590] [2021-01-06 20:44:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:11,084 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 20:44:11,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398326590] [2021-01-06 20:44:11,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:11,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:11,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324527403] [2021-01-06 20:44:11,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:44:11,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:11,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:44:11,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:44:11,091 INFO L87 Difference]: Start difference. First operand 1159 states and 1782 transitions. Second operand 6 states. [2021-01-06 20:44:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:11,672 INFO L93 Difference]: Finished difference Result 3912 states and 6097 transitions. [2021-01-06 20:44:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:11,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:44:11,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:11,689 INFO L225 Difference]: With dead ends: 3912 [2021-01-06 20:44:11,690 INFO L226 Difference]: Without dead ends: 2796 [2021-01-06 20:44:11,693 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 20:44:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2021-01-06 20:44:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2792. [2021-01-06 20:44:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2792 states. [2021-01-06 20:44:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 4340 transitions. [2021-01-06 20:44:11,901 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 4340 transitions. Word has length 83 [2021-01-06 20:44:11,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:11,908 INFO L481 AbstractCegarLoop]: Abstraction has 2792 states and 4340 transitions. [2021-01-06 20:44:11,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:44:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 4340 transitions. [2021-01-06 20:44:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:44:11,914 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:11,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:11,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:44:11,915 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:11,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1568078791, now seen corresponding path program 1 times [2021-01-06 20:44:11,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:11,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430149441] [2021-01-06 20:44:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:12,081 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 20:44:12,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430149441] [2021-01-06 20:44:12,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:12,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:12,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652246849] [2021-01-06 20:44:12,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:12,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:12,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:12,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:12,087 INFO L87 Difference]: Start difference. First operand 2792 states and 4340 transitions. Second operand 5 states. [2021-01-06 20:44:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:12,720 INFO L93 Difference]: Finished difference Result 7918 states and 12370 transitions. [2021-01-06 20:44:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:12,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:44:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:12,749 INFO L225 Difference]: With dead ends: 7918 [2021-01-06 20:44:12,749 INFO L226 Difference]: Without dead ends: 5185 [2021-01-06 20:44:12,754 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 20:44:12,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2021-01-06 20:44:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2021-01-06 20:44:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5183 states. [2021-01-06 20:44:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 8048 transitions. [2021-01-06 20:44:13,170 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 8048 transitions. Word has length 83 [2021-01-06 20:44:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:13,171 INFO L481 AbstractCegarLoop]: Abstraction has 5183 states and 8048 transitions. [2021-01-06 20:44:13,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 8048 transitions. [2021-01-06 20:44:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:44:13,175 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:13,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:13,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:44:13,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:13,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2053901352, now seen corresponding path program 1 times [2021-01-06 20:44:13,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:13,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252584794] [2021-01-06 20:44:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:13,277 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 20:44:13,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252584794] [2021-01-06 20:44:13,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:13,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:13,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123962341] [2021-01-06 20:44:13,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:44:13,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:13,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:44:13,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:44:13,280 INFO L87 Difference]: Start difference. First operand 5183 states and 8048 transitions. Second operand 6 states. [2021-01-06 20:44:14,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:14,429 INFO L93 Difference]: Finished difference Result 19106 states and 29710 transitions. [2021-01-06 20:44:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:14,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 20:44:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:14,511 INFO L225 Difference]: With dead ends: 19106 [2021-01-06 20:44:14,511 INFO L226 Difference]: Without dead ends: 14005 [2021-01-06 20:44:14,523 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 20:44:14,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14005 states. [2021-01-06 20:44:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14005 to 14001. [2021-01-06 20:44:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14001 states. [2021-01-06 20:44:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14001 states to 14001 states and 21674 transitions. [2021-01-06 20:44:15,563 INFO L78 Accepts]: Start accepts. Automaton has 14001 states and 21674 transitions. Word has length 83 [2021-01-06 20:44:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:15,565 INFO L481 AbstractCegarLoop]: Abstraction has 14001 states and 21674 transitions. [2021-01-06 20:44:15,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:44:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14001 states and 21674 transitions. [2021-01-06 20:44:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:44:15,573 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:15,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:15,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:44:15,574 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:15,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:15,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1112064425, now seen corresponding path program 1 times [2021-01-06 20:44:15,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:15,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291525017] [2021-01-06 20:44:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:15,711 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 20:44:15,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291525017] [2021-01-06 20:44:15,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:15,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:15,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928194338] [2021-01-06 20:44:15,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:15,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:15,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:15,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:15,714 INFO L87 Difference]: Start difference. First operand 14001 states and 21674 transitions. Second operand 5 states. [2021-01-06 20:44:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:17,457 INFO L93 Difference]: Finished difference Result 40746 states and 63120 transitions. [2021-01-06 20:44:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:17,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:44:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:17,534 INFO L225 Difference]: With dead ends: 40746 [2021-01-06 20:44:17,534 INFO L226 Difference]: Without dead ends: 26857 [2021-01-06 20:44:17,556 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 20:44:17,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26857 states. [2021-01-06 20:44:19,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26857 to 26855. [2021-01-06 20:44:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26855 states. [2021-01-06 20:44:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26855 states to 26855 states and 41373 transitions. [2021-01-06 20:44:19,131 INFO L78 Accepts]: Start accepts. Automaton has 26855 states and 41373 transitions. Word has length 83 [2021-01-06 20:44:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:19,131 INFO L481 AbstractCegarLoop]: Abstraction has 26855 states and 41373 transitions. [2021-01-06 20:44:19,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 26855 states and 41373 transitions. [2021-01-06 20:44:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 20:44:19,141 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:19,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:19,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:44:19,142 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash 340452666, now seen corresponding path program 1 times [2021-01-06 20:44:19,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:19,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709001938] [2021-01-06 20:44:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:19,225 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 20:44:19,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709001938] [2021-01-06 20:44:19,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:19,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:44:19,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111821063] [2021-01-06 20:44:19,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:19,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:19,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:19,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:19,228 INFO L87 Difference]: Start difference. First operand 26855 states and 41373 transitions. Second operand 5 states. [2021-01-06 20:44:22,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:22,112 INFO L93 Difference]: Finished difference Result 79118 states and 122024 transitions. [2021-01-06 20:44:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 20:44:22,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 20:44:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:22,256 INFO L225 Difference]: With dead ends: 79118 [2021-01-06 20:44:22,256 INFO L226 Difference]: Without dead ends: 52409 [2021-01-06 20:44:22,293 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 20:44:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52409 states. [2021-01-06 20:44:25,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52409 to 52407. [2021-01-06 20:44:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52407 states. [2021-01-06 20:44:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52407 states to 52407 states and 80488 transitions. [2021-01-06 20:44:25,246 INFO L78 Accepts]: Start accepts. Automaton has 52407 states and 80488 transitions. Word has length 83 [2021-01-06 20:44:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:25,247 INFO L481 AbstractCegarLoop]: Abstraction has 52407 states and 80488 transitions. [2021-01-06 20:44:25,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 52407 states and 80488 transitions. [2021-01-06 20:44:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 20:44:25,260 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:25,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:25,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:44:25,260 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:25,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:25,261 INFO L82 PathProgramCache]: Analyzing trace with hash 31378129, now seen corresponding path program 1 times [2021-01-06 20:44:25,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:25,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019733464] [2021-01-06 20:44:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:25,364 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 20:44:25,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019733464] [2021-01-06 20:44:25,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:25,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:44:25,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781138936] [2021-01-06 20:44:25,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:44:25,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:25,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:44:25,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:44:25,368 INFO L87 Difference]: Start difference. First operand 52407 states and 80488 transitions. Second operand 5 states. [2021-01-06 20:44:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:29,980 INFO L93 Difference]: Finished difference Result 99073 states and 151457 transitions. [2021-01-06 20:44:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:44:29,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2021-01-06 20:44:29,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:30,414 INFO L225 Difference]: With dead ends: 99073 [2021-01-06 20:44:30,415 INFO L226 Difference]: Without dead ends: 99071 [2021-01-06 20:44:30,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 20:44:30,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99071 states. [2021-01-06 20:44:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99071 to 53079. [2021-01-06 20:44:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53079 states. [2021-01-06 20:44:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53079 states to 53079 states and 81160 transitions. [2021-01-06 20:44:34,107 INFO L78 Accepts]: Start accepts. Automaton has 53079 states and 81160 transitions. Word has length 84 [2021-01-06 20:44:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:44:34,107 INFO L481 AbstractCegarLoop]: Abstraction has 53079 states and 81160 transitions. [2021-01-06 20:44:34,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:44:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 53079 states and 81160 transitions. [2021-01-06 20:44:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:44:34,119 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:44:34,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:44:34,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:44:34,119 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:44:34,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:44:34,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1251175856, now seen corresponding path program 1 times [2021-01-06 20:44:34,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:44:34,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572367142] [2021-01-06 20:44:34,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:44:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:44:34,348 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 20:44:34,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572367142] [2021-01-06 20:44:34,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:44:34,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:44:34,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768793569] [2021-01-06 20:44:34,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:44:34,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:44:34,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:44:34,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:44:34,351 INFO L87 Difference]: Start difference. First operand 53079 states and 81160 transitions. Second operand 10 states. [2021-01-06 20:44:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:44:55,009 INFO L93 Difference]: Finished difference Result 359465 states and 548898 transitions. [2021-01-06 20:44:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:44:55,009 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:44:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:44:55,873 INFO L225 Difference]: With dead ends: 359465 [2021-01-06 20:44:55,873 INFO L226 Difference]: Without dead ends: 307225 [2021-01-06 20:44:56,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:44:56,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307225 states. [2021-01-06 20:45:02,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307225 to 53173. [2021-01-06 20:45:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53173 states. [2021-01-06 20:45:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53173 states to 53173 states and 81261 transitions. [2021-01-06 20:45:02,320 INFO L78 Accepts]: Start accepts. Automaton has 53173 states and 81261 transitions. Word has length 85 [2021-01-06 20:45:02,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:02,321 INFO L481 AbstractCegarLoop]: Abstraction has 53173 states and 81261 transitions. [2021-01-06 20:45:02,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:45:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 53173 states and 81261 transitions. [2021-01-06 20:45:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:45:02,331 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:02,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:02,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:45:02,332 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:02,333 INFO L82 PathProgramCache]: Analyzing trace with hash 192213392, now seen corresponding path program 1 times [2021-01-06 20:45:02,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:02,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664528307] [2021-01-06 20:45:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:02,542 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 20:45:02,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664528307] [2021-01-06 20:45:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:02,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:45:02,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076937599] [2021-01-06 20:45:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:45:02,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:02,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:45:02,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:45:02,545 INFO L87 Difference]: Start difference. First operand 53173 states and 81261 transitions. Second operand 10 states. [2021-01-06 20:45:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:45:23,593 INFO L93 Difference]: Finished difference Result 262625 states and 397668 transitions. [2021-01-06 20:45:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 20:45:23,594 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:45:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:45:24,210 INFO L225 Difference]: With dead ends: 262625 [2021-01-06 20:45:24,211 INFO L226 Difference]: Without dead ends: 221957 [2021-01-06 20:45:24,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2021-01-06 20:45:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221957 states. [2021-01-06 20:45:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221957 to 53521. [2021-01-06 20:45:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53521 states. [2021-01-06 20:45:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53521 states to 53521 states and 81702 transitions. [2021-01-06 20:45:31,079 INFO L78 Accepts]: Start accepts. Automaton has 53521 states and 81702 transitions. Word has length 85 [2021-01-06 20:45:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:45:31,079 INFO L481 AbstractCegarLoop]: Abstraction has 53521 states and 81702 transitions. [2021-01-06 20:45:31,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:45:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 53521 states and 81702 transitions. [2021-01-06 20:45:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:45:31,090 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:45:31,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:45:31,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:45:31,091 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:45:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:45:31,091 INFO L82 PathProgramCache]: Analyzing trace with hash -415777424, now seen corresponding path program 1 times [2021-01-06 20:45:31,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:45:31,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999515559] [2021-01-06 20:45:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:45:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:45:31,333 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 20:45:31,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999515559] [2021-01-06 20:45:31,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:45:31,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:45:31,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390751674] [2021-01-06 20:45:31,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:45:31,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:45:31,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:45:31,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:45:31,336 INFO L87 Difference]: Start difference. First operand 53521 states and 81702 transitions. Second operand 10 states. [2021-01-06 20:45:32,167 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2021-01-06 20:46:03,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:03,411 INFO L93 Difference]: Finished difference Result 312372 states and 476626 transitions. [2021-01-06 20:46:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 20:46:03,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:46:03,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:04,123 INFO L225 Difference]: With dead ends: 312372 [2021-01-06 20:46:04,123 INFO L226 Difference]: Without dead ends: 280588 [2021-01-06 20:46:04,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 20:46:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280588 states. [2021-01-06 20:46:12,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280588 to 54274. [2021-01-06 20:46:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54274 states. [2021-01-06 20:46:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54274 states to 54274 states and 82664 transitions. [2021-01-06 20:46:12,405 INFO L78 Accepts]: Start accepts. Automaton has 54274 states and 82664 transitions. Word has length 85 [2021-01-06 20:46:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:12,406 INFO L481 AbstractCegarLoop]: Abstraction has 54274 states and 82664 transitions. [2021-01-06 20:46:12,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 54274 states and 82664 transitions. [2021-01-06 20:46:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:46:12,416 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:12,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:12,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:46:12,417 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:12,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:12,417 INFO L82 PathProgramCache]: Analyzing trace with hash -777268912, now seen corresponding path program 1 times [2021-01-06 20:46:12,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:12,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362658473] [2021-01-06 20:46:12,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:12,674 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 20:46:12,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362658473] [2021-01-06 20:46:12,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:12,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:12,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491752822] [2021-01-06 20:46:12,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:12,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:12,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:12,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:12,677 INFO L87 Difference]: Start difference. First operand 54274 states and 82664 transitions. Second operand 10 states. [2021-01-06 20:46:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:46:36,493 INFO L93 Difference]: Finished difference Result 179710 states and 270832 transitions. [2021-01-06 20:46:36,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 20:46:36,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:46:36,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:46:36,753 INFO L225 Difference]: With dead ends: 179710 [2021-01-06 20:46:36,753 INFO L226 Difference]: Without dead ends: 161276 [2021-01-06 20:46:36,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:46:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161276 states. [2021-01-06 20:46:45,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161276 to 55522. [2021-01-06 20:46:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55522 states. [2021-01-06 20:46:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55522 states to 55522 states and 84398 transitions. [2021-01-06 20:46:45,313 INFO L78 Accepts]: Start accepts. Automaton has 55522 states and 84398 transitions. Word has length 85 [2021-01-06 20:46:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:46:45,314 INFO L481 AbstractCegarLoop]: Abstraction has 55522 states and 84398 transitions. [2021-01-06 20:46:45,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:46:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 55522 states and 84398 transitions. [2021-01-06 20:46:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 20:46:45,324 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:46:45,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:46:45,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:46:45,325 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:46:45,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:46:45,325 INFO L82 PathProgramCache]: Analyzing trace with hash -56546000, now seen corresponding path program 1 times [2021-01-06 20:46:45,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:46:45,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859064855] [2021-01-06 20:46:45,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:46:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:46:45,550 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 20:46:45,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859064855] [2021-01-06 20:46:45,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:46:45,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 20:46:45,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068150248] [2021-01-06 20:46:45,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 20:46:45,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:46:45,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 20:46:45,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-01-06 20:46:45,553 INFO L87 Difference]: Start difference. First operand 55522 states and 84398 transitions. Second operand 10 states. [2021-01-06 20:47:25,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:25,960 INFO L93 Difference]: Finished difference Result 286148 states and 434403 transitions. [2021-01-06 20:47:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 20:47:25,960 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2021-01-06 20:47:25,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:26,649 INFO L225 Difference]: With dead ends: 286148 [2021-01-06 20:47:26,650 INFO L226 Difference]: Without dead ends: 279388 [2021-01-06 20:47:26,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-01-06 20:47:26,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279388 states. [2021-01-06 20:47:36,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279388 to 55236. [2021-01-06 20:47:36,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55236 states. [2021-01-06 20:47:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55236 states to 55236 states and 83978 transitions. [2021-01-06 20:47:36,517 INFO L78 Accepts]: Start accepts. Automaton has 55236 states and 83978 transitions. Word has length 85 [2021-01-06 20:47:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:47:36,518 INFO L481 AbstractCegarLoop]: Abstraction has 55236 states and 83978 transitions. [2021-01-06 20:47:36,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 20:47:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 55236 states and 83978 transitions. [2021-01-06 20:47:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 20:47:36,528 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:47:36,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:47:36,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:47:36,528 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:47:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:47:36,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1761654198, now seen corresponding path program 1 times [2021-01-06 20:47:36,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:47:36,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017733594] [2021-01-06 20:47:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:47:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:47:36,664 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 20:47:36,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017733594] [2021-01-06 20:47:36,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:47:36,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:47:36,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696029025] [2021-01-06 20:47:36,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:47:36,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:47:36,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:47:36,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:47:36,667 INFO L87 Difference]: Start difference. First operand 55236 states and 83978 transitions. Second operand 4 states. [2021-01-06 20:47:52,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:47:52,101 INFO L93 Difference]: Finished difference Result 151564 states and 230392 transitions. [2021-01-06 20:47:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:47:52,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2021-01-06 20:47:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:47:52,256 INFO L225 Difference]: With dead ends: 151564 [2021-01-06 20:47:52,256 INFO L226 Difference]: Without dead ends: 99786 [2021-01-06 20:47:52,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 20:47:52,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99786 states. [2021-01-06 20:48:07,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99786 to 99784. [2021-01-06 20:48:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99784 states.