/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.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:54:13,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:54:13,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:54:13,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:54:13,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:54:13,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:54:13,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:54:13,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:54:13,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:54:13,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:54:13,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:54:13,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:54:13,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:54:13,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:54:13,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:54:13,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:54:13,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:54:13,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:54:13,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:54:13,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:54:13,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:54:13,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:54:13,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:54:13,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:54:13,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:54:13,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:54:13,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:54:13,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:54:13,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:54:13,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:54:13,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:54:13,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:54:13,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:54:13,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:54:13,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:54:13,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:54:13,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:54:13,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:54:13,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:54:13,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:54:13,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:54:13,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 10:54:13,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:54:13,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:54:13,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:54:13,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:54:13,537 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:54:13,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:54:13,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:54:13,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:54:13,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:54:13,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:54:13,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:54:13,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:54:13,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:54:13,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:54:13,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:54:13,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:54:13,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:54:13,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:54:13,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:54:13,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:54:13,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:54:13,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:54:13,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:54:13,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:54:13,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:54:13,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:54:14,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:54:14,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:54:14,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:54:14,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:54:14,068 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:54:14,069 INFO L432 ainManager$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.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:54:14,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43014dc3/c88a802c83fe41edbf022116f70e45d7/FLAG2a233c798 [2020-12-23 10:54:14,815 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:54:14,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:54:14,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43014dc3/c88a802c83fe41edbf022116f70e45d7/FLAG2a233c798 [2020-12-23 10:54:15,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43014dc3/c88a802c83fe41edbf022116f70e45d7 [2020-12-23 10:54:15,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:54:15,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:54:15,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:54:15,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:54:15,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:54:15,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:15,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a6ade4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15, skipping insertion in model container [2020-12-23 10:54:15,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:15,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:54:15,253 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_33158~0,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_33277~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_33467~0,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,] [2020-12-23 10:54:15,496 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.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~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[~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,] [2020-12-23 10:54:15,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:54:15,651 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_33158~0,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_33277~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_33467~0,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,] [2020-12-23 10:54:15,717 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.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8056,8069] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~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[~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,] [2020-12-23 10:54:15,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:54:15,847 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:54:15,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15 WrapperNode [2020-12-23 10:54:15,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:54:15,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:54:15,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:54:15,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:54:15,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:15,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:15,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:54:15,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:54:15,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:54:15,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:54:15,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:15,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... [2020-12-23 10:54:16,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:54:16,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:54:16,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:54:16,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:54:16,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:54:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:54:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:54:17,354 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:54:17,355 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:54:17,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:54:17 BoogieIcfgContainer [2020-12-23 10:54:17,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:54:17,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:54:17,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:54:17,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:54:17,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:54:15" (1/3) ... [2020-12-23 10:54:17,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115100b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:54:17, skipping insertion in model container [2020-12-23 10:54:17,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:54:15" (2/3) ... [2020-12-23 10:54:17,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115100b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:54:17, skipping insertion in model container [2020-12-23 10:54:17,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:54:17" (3/3) ... [2020-12-23 10:54:17,374 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:54:17,382 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:54:17,387 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:54:17,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:54:17,466 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:54:17,467 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:54:17,467 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:54:17,467 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:54:17,467 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:54:17,467 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:54:17,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:54:17,468 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:54:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 10:54:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 10:54:17,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:17,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:54:17,500 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:17,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:17,506 INFO L82 PathProgramCache]: Analyzing trace with hash -465870500, now seen corresponding path program 1 times [2020-12-23 10:54:17,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:17,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277579312] [2020-12-23 10:54:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:18,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277579312] [2020-12-23 10:54:18,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:18,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:54:18,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491385022] [2020-12-23 10:54:18,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:54:18,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:18,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:54:18,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:54:18,027 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-23 10:54:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:18,195 INFO L93 Difference]: Finished difference Result 417 states and 687 transitions. [2020-12-23 10:54:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:54:18,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 10:54:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:18,230 INFO L225 Difference]: With dead ends: 417 [2020-12-23 10:54:18,230 INFO L226 Difference]: Without dead ends: 314 [2020-12-23 10:54:18,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:54:18,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-12-23 10:54:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2020-12-23 10:54:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-12-23 10:54:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 468 transitions. [2020-12-23 10:54:18,371 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 468 transitions. Word has length 79 [2020-12-23 10:54:18,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:18,372 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 468 transitions. [2020-12-23 10:54:18,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:54:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 468 transitions. [2020-12-23 10:54:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 10:54:18,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:18,382 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] [2020-12-23 10:54:18,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:54:18,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:18,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:18,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1819425779, now seen corresponding path program 1 times [2020-12-23 10:54:18,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:18,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731075075] [2020-12-23 10:54:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:18,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731075075] [2020-12-23 10:54:18,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:18,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 10:54:18,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388088557] [2020-12-23 10:54:18,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 10:54:18,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:18,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 10:54:18,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:54:18,721 INFO L87 Difference]: Start difference. First operand 312 states and 468 transitions. Second operand 7 states. [2020-12-23 10:54:19,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:19,314 INFO L93 Difference]: Finished difference Result 1358 states and 2106 transitions. [2020-12-23 10:54:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 10:54:19,315 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-12-23 10:54:19,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:19,325 INFO L225 Difference]: With dead ends: 1358 [2020-12-23 10:54:19,325 INFO L226 Difference]: Without dead ends: 1122 [2020-12-23 10:54:19,328 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 [2020-12-23 10:54:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-12-23 10:54:19,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1114. [2020-12-23 10:54:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-12-23 10:54:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1721 transitions. [2020-12-23 10:54:19,477 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1721 transitions. Word has length 80 [2020-12-23 10:54:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:19,477 INFO L481 AbstractCegarLoop]: Abstraction has 1114 states and 1721 transitions. [2020-12-23 10:54:19,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 10:54:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1721 transitions. [2020-12-23 10:54:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 10:54:19,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:19,484 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] [2020-12-23 10:54:19,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:54:19,485 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1286257119, now seen corresponding path program 1 times [2020-12-23 10:54:19,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:19,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584908745] [2020-12-23 10:54:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:19,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584908745] [2020-12-23 10:54:19,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:19,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:54:19,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582275613] [2020-12-23 10:54:19,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:54:19,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:19,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:54:19,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:54:19,672 INFO L87 Difference]: Start difference. First operand 1114 states and 1721 transitions. Second operand 6 states. [2020-12-23 10:54:20,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:20,481 INFO L93 Difference]: Finished difference Result 3689 states and 5784 transitions. [2020-12-23 10:54:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:54:20,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-12-23 10:54:20,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:20,499 INFO L225 Difference]: With dead ends: 3689 [2020-12-23 10:54:20,500 INFO L226 Difference]: Without dead ends: 2652 [2020-12-23 10:54:20,505 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 [2020-12-23 10:54:20,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2020-12-23 10:54:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2648. [2020-12-23 10:54:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2648 states. [2020-12-23 10:54:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 4139 transitions. [2020-12-23 10:54:20,707 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 4139 transitions. Word has length 81 [2020-12-23 10:54:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:20,715 INFO L481 AbstractCegarLoop]: Abstraction has 2648 states and 4139 transitions. [2020-12-23 10:54:20,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:54:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 4139 transitions. [2020-12-23 10:54:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 10:54:20,721 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:20,722 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] [2020-12-23 10:54:20,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:54:20,722 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:20,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:20,723 INFO L82 PathProgramCache]: Analyzing trace with hash 963502145, now seen corresponding path program 1 times [2020-12-23 10:54:20,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:20,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018550191] [2020-12-23 10:54:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:20,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018550191] [2020-12-23 10:54:20,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:20,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:54:20,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455172281] [2020-12-23 10:54:20,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:54:20,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:54:20,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:54:20,913 INFO L87 Difference]: Start difference. First operand 2648 states and 4139 transitions. Second operand 5 states. [2020-12-23 10:54:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:21,748 INFO L93 Difference]: Finished difference Result 7355 states and 11586 transitions. [2020-12-23 10:54:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:54:21,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-23 10:54:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:21,776 INFO L225 Difference]: With dead ends: 7355 [2020-12-23 10:54:21,776 INFO L226 Difference]: Without dead ends: 4848 [2020-12-23 10:54:21,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:54:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2020-12-23 10:54:22,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4846. [2020-12-23 10:54:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2020-12-23 10:54:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7593 transitions. [2020-12-23 10:54:22,172 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7593 transitions. Word has length 81 [2020-12-23 10:54:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:22,173 INFO L481 AbstractCegarLoop]: Abstraction has 4846 states and 7593 transitions. [2020-12-23 10:54:22,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:54:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7593 transitions. [2020-12-23 10:54:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 10:54:22,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:22,176 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] [2020-12-23 10:54:22,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:54:22,177 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:22,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:22,177 INFO L82 PathProgramCache]: Analyzing trace with hash -990576080, now seen corresponding path program 1 times [2020-12-23 10:54:22,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:22,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492263160] [2020-12-23 10:54:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:22,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492263160] [2020-12-23 10:54:22,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:22,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:54:22,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772651862] [2020-12-23 10:54:22,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:54:22,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:22,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:54:22,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:54:22,277 INFO L87 Difference]: Start difference. First operand 4846 states and 7593 transitions. Second operand 5 states. [2020-12-23 10:54:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:23,288 INFO L93 Difference]: Finished difference Result 14001 states and 22018 transitions. [2020-12-23 10:54:23,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:54:23,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-23 10:54:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:23,344 INFO L225 Difference]: With dead ends: 14001 [2020-12-23 10:54:23,344 INFO L226 Difference]: Without dead ends: 9262 [2020-12-23 10:54:23,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:54:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9262 states. [2020-12-23 10:54:24,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9262 to 9260. [2020-12-23 10:54:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2020-12-23 10:54:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 14482 transitions. [2020-12-23 10:54:24,113 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 14482 transitions. Word has length 81 [2020-12-23 10:54:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:24,115 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 14482 transitions. [2020-12-23 10:54:24,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:54:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 14482 transitions. [2020-12-23 10:54:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 10:54:24,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:24,125 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] [2020-12-23 10:54:24,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:54:24,125 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2100922190, now seen corresponding path program 1 times [2020-12-23 10:54:24,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:24,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318700732] [2020-12-23 10:54:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:24,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318700732] [2020-12-23 10:54:24,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:24,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:54:24,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816079450] [2020-12-23 10:54:24,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:54:24,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:24,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:54:24,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:54:24,247 INFO L87 Difference]: Start difference. First operand 9260 states and 14482 transitions. Second operand 5 states. [2020-12-23 10:54:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:25,688 INFO L93 Difference]: Finished difference Result 27442 states and 43000 transitions. [2020-12-23 10:54:25,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:54:25,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-23 10:54:25,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:25,779 INFO L225 Difference]: With dead ends: 27442 [2020-12-23 10:54:25,779 INFO L226 Difference]: Without dead ends: 18236 [2020-12-23 10:54:25,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:54:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18236 states. [2020-12-23 10:54:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18236 to 18234. [2020-12-23 10:54:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18234 states. [2020-12-23 10:54:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18234 states to 18234 states and 28385 transitions. [2020-12-23 10:54:27,317 INFO L78 Accepts]: Start accepts. Automaton has 18234 states and 28385 transitions. Word has length 81 [2020-12-23 10:54:27,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:27,317 INFO L481 AbstractCegarLoop]: Abstraction has 18234 states and 28385 transitions. [2020-12-23 10:54:27,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:54:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 18234 states and 28385 transitions. [2020-12-23 10:54:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 10:54:27,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:27,324 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] [2020-12-23 10:54:27,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:54:27,324 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:27,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash -336684807, now seen corresponding path program 1 times [2020-12-23 10:54:27,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:27,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675418637] [2020-12-23 10:54:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:27,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675418637] [2020-12-23 10:54:27,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:27,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:54:27,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227024029] [2020-12-23 10:54:27,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:54:27,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:27,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:54:27,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:54:27,440 INFO L87 Difference]: Start difference. First operand 18234 states and 28385 transitions. Second operand 5 states. [2020-12-23 10:54:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:29,612 INFO L93 Difference]: Finished difference Result 34380 states and 53202 transitions. [2020-12-23 10:54:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:54:29,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 10:54:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:29,699 INFO L225 Difference]: With dead ends: 34380 [2020-12-23 10:54:29,699 INFO L226 Difference]: Without dead ends: 34378 [2020-12-23 10:54:29,712 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 [2020-12-23 10:54:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34378 states. [2020-12-23 10:54:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34378 to 18474. [2020-12-23 10:54:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18474 states. [2020-12-23 10:54:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18474 states to 18474 states and 28625 transitions. [2020-12-23 10:54:31,208 INFO L78 Accepts]: Start accepts. Automaton has 18474 states and 28625 transitions. Word has length 82 [2020-12-23 10:54:31,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:31,209 INFO L481 AbstractCegarLoop]: Abstraction has 18474 states and 28625 transitions. [2020-12-23 10:54:31,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:54:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 18474 states and 28625 transitions. [2020-12-23 10:54:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:54:31,215 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:31,215 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] [2020-12-23 10:54:31,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:54:31,215 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1586000185, now seen corresponding path program 1 times [2020-12-23 10:54:31,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:31,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273520399] [2020-12-23 10:54:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:31,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273520399] [2020-12-23 10:54:31,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:31,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:54:31,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953239435] [2020-12-23 10:54:31,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:54:31,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:31,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:54:31,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:54:31,477 INFO L87 Difference]: Start difference. First operand 18474 states and 28625 transitions. Second operand 10 states. [2020-12-23 10:54:41,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:41,650 INFO L93 Difference]: Finished difference Result 139439 states and 216184 transitions. [2020-12-23 10:54:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-23 10:54:41,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-12-23 10:54:41,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:42,035 INFO L225 Difference]: With dead ends: 139439 [2020-12-23 10:54:42,035 INFO L226 Difference]: Without dead ends: 129181 [2020-12-23 10:54:42,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=380, Invalid=1180, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 10:54:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129181 states. [2020-12-23 10:54:44,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129181 to 18691. [2020-12-23 10:54:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18691 states. [2020-12-23 10:54:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18691 states to 18691 states and 28912 transitions. [2020-12-23 10:54:44,974 INFO L78 Accepts]: Start accepts. Automaton has 18691 states and 28912 transitions. Word has length 83 [2020-12-23 10:54:44,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:44,975 INFO L481 AbstractCegarLoop]: Abstraction has 18691 states and 28912 transitions. [2020-12-23 10:54:44,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:54:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 18691 states and 28912 transitions. [2020-12-23 10:54:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:54:44,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:44,982 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] [2020-12-23 10:54:44,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:54:44,982 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:44,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:44,983 INFO L82 PathProgramCache]: Analyzing trace with hash 640573063, now seen corresponding path program 1 times [2020-12-23 10:54:44,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:44,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970748585] [2020-12-23 10:54:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:45,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970748585] [2020-12-23 10:54:45,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:45,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:54:45,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674617210] [2020-12-23 10:54:45,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:54:45,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:54:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:54:45,211 INFO L87 Difference]: Start difference. First operand 18691 states and 28912 transitions. Second operand 10 states. [2020-12-23 10:54:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:54:54,694 INFO L93 Difference]: Finished difference Result 98090 states and 151135 transitions. [2020-12-23 10:54:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 10:54:54,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-12-23 10:54:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:54:54,879 INFO L225 Difference]: With dead ends: 98090 [2020-12-23 10:54:54,879 INFO L226 Difference]: Without dead ends: 95896 [2020-12-23 10:54:54,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2020-12-23 10:54:54,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95896 states. [2020-12-23 10:54:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95896 to 18691. [2020-12-23 10:54:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18691 states. [2020-12-23 10:54:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18691 states to 18691 states and 28910 transitions. [2020-12-23 10:54:57,281 INFO L78 Accepts]: Start accepts. Automaton has 18691 states and 28910 transitions. Word has length 83 [2020-12-23 10:54:57,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:54:57,281 INFO L481 AbstractCegarLoop]: Abstraction has 18691 states and 28910 transitions. [2020-12-23 10:54:57,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:54:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 18691 states and 28910 transitions. [2020-12-23 10:54:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:54:57,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:54:57,286 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] [2020-12-23 10:54:57,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:54:57,286 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:54:57,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:54:57,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1864782503, now seen corresponding path program 1 times [2020-12-23 10:54:57,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:54:57,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636088512] [2020-12-23 10:54:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:54:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:54:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:54:57,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636088512] [2020-12-23 10:54:57,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:54:57,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:54:57,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846087888] [2020-12-23 10:54:57,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:54:57,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:54:57,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:54:57,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:54:57,502 INFO L87 Difference]: Start difference. First operand 18691 states and 28910 transitions. Second operand 10 states. [2020-12-23 10:55:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:05,350 INFO L93 Difference]: Finished difference Result 59719 states and 91300 transitions. [2020-12-23 10:55:05,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 10:55:05,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-12-23 10:55:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:05,427 INFO L225 Difference]: With dead ends: 59719 [2020-12-23 10:55:05,427 INFO L226 Difference]: Without dead ends: 53765 [2020-12-23 10:55:05,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=683, Unknown=0, NotChecked=0, Total=930 [2020-12-23 10:55:05,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53765 states. [2020-12-23 10:55:07,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53765 to 19087. [2020-12-23 10:55:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19087 states. [2020-12-23 10:55:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19087 states to 19087 states and 29474 transitions. [2020-12-23 10:55:07,707 INFO L78 Accepts]: Start accepts. Automaton has 19087 states and 29474 transitions. Word has length 83 [2020-12-23 10:55:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:55:07,707 INFO L481 AbstractCegarLoop]: Abstraction has 19087 states and 29474 transitions. [2020-12-23 10:55:07,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:55:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 19087 states and 29474 transitions. [2020-12-23 10:55:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:55:07,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:55:07,721 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] [2020-12-23 10:55:07,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:55:07,721 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:55:07,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:55:07,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1599214311, now seen corresponding path program 1 times [2020-12-23 10:55:07,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:55:07,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827344544] [2020-12-23 10:55:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:55:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:55:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:55:07,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827344544] [2020-12-23 10:55:07,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:55:07,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:55:07,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549286325] [2020-12-23 10:55:07,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:55:07,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:55:07,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:55:07,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:55:07,935 INFO L87 Difference]: Start difference. First operand 19087 states and 29474 transitions. Second operand 10 states. [2020-12-23 10:55:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:17,924 INFO L93 Difference]: Finished difference Result 89431 states and 136992 transitions. [2020-12-23 10:55:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 10:55:17,925 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-12-23 10:55:17,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:18,035 INFO L225 Difference]: With dead ends: 89431 [2020-12-23 10:55:18,035 INFO L226 Difference]: Without dead ends: 76189 [2020-12-23 10:55:18,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2020-12-23 10:55:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76189 states. [2020-12-23 10:55:20,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76189 to 19391. [2020-12-23 10:55:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19391 states. [2020-12-23 10:55:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19391 states to 19391 states and 29871 transitions. [2020-12-23 10:55:20,877 INFO L78 Accepts]: Start accepts. Automaton has 19391 states and 29871 transitions. Word has length 83 [2020-12-23 10:55:20,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:55:20,877 INFO L481 AbstractCegarLoop]: Abstraction has 19391 states and 29871 transitions. [2020-12-23 10:55:20,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:55:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 19391 states and 29871 transitions. [2020-12-23 10:55:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 10:55:20,884 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:55:20,884 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] [2020-12-23 10:55:20,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:55:20,885 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:55:20,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:55:20,885 INFO L82 PathProgramCache]: Analyzing trace with hash 67573609, now seen corresponding path program 1 times [2020-12-23 10:55:20,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:55:20,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179070261] [2020-12-23 10:55:20,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:55:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:55:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:55:20,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179070261] [2020-12-23 10:55:20,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:55:20,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:55:20,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687573032] [2020-12-23 10:55:20,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:55:20,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:55:20,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:55:20,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:55:20,961 INFO L87 Difference]: Start difference. First operand 19391 states and 29871 transitions. Second operand 6 states. [2020-12-23 10:55:27,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:27,524 INFO L93 Difference]: Finished difference Result 72525 states and 111755 transitions. [2020-12-23 10:55:27,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:55:27,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-12-23 10:55:27,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:27,585 INFO L225 Difference]: With dead ends: 72525 [2020-12-23 10:55:27,585 INFO L226 Difference]: Without dead ends: 53197 [2020-12-23 10:55:27,606 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 [2020-12-23 10:55:27,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53197 states. [2020-12-23 10:55:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53197 to 37878. [2020-12-23 10:55:32,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37878 states. [2020-12-23 10:55:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37878 states to 37878 states and 58120 transitions. [2020-12-23 10:55:32,493 INFO L78 Accepts]: Start accepts. Automaton has 37878 states and 58120 transitions. Word has length 83 [2020-12-23 10:55:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:55:32,493 INFO L481 AbstractCegarLoop]: Abstraction has 37878 states and 58120 transitions. [2020-12-23 10:55:32,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:55:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 37878 states and 58120 transitions. [2020-12-23 10:55:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:55:32,504 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:55:32,504 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] [2020-12-23 10:55:32,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:55:32,505 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:55:32,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:55:32,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1469957880, now seen corresponding path program 1 times [2020-12-23 10:55:32,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:55:32,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004323531] [2020-12-23 10:55:32,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:55:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:55:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:55:32,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004323531] [2020-12-23 10:55:32,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:55:32,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:55:32,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918658774] [2020-12-23 10:55:32,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:55:32,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:55:32,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:55:32,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:55:32,560 INFO L87 Difference]: Start difference. First operand 37878 states and 58120 transitions. Second operand 3 states. [2020-12-23 10:55:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:38,717 INFO L93 Difference]: Finished difference Result 59795 states and 91843 transitions. [2020-12-23 10:55:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:55:38,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 10:55:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:38,761 INFO L225 Difference]: With dead ends: 59795 [2020-12-23 10:55:38,761 INFO L226 Difference]: Without dead ends: 44073 [2020-12-23 10:55:38,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:55:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44073 states. [2020-12-23 10:55:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44073 to 43659. [2020-12-23 10:55:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43659 states. [2020-12-23 10:55:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43659 states to 43659 states and 66165 transitions. [2020-12-23 10:55:44,580 INFO L78 Accepts]: Start accepts. Automaton has 43659 states and 66165 transitions. Word has length 84 [2020-12-23 10:55:44,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:55:44,581 INFO L481 AbstractCegarLoop]: Abstraction has 43659 states and 66165 transitions. [2020-12-23 10:55:44,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:55:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 43659 states and 66165 transitions. [2020-12-23 10:55:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:55:44,589 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:55:44,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:55:44,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:55:44,589 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:55:44,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:55:44,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1045499168, now seen corresponding path program 1 times [2020-12-23 10:55:44,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:55:44,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33052100] [2020-12-23 10:55:44,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:55:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:55:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:55:44,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33052100] [2020-12-23 10:55:44,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:55:44,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:55:44,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712936809] [2020-12-23 10:55:44,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:55:44,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:55:44,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:55:44,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:55:44,694 INFO L87 Difference]: Start difference. First operand 43659 states and 66165 transitions. Second operand 4 states. [2020-12-23 10:55:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:55:55,673 INFO L93 Difference]: Finished difference Result 121187 states and 183471 transitions. [2020-12-23 10:55:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:55:55,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2020-12-23 10:55:55,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:55:55,773 INFO L225 Difference]: With dead ends: 121187 [2020-12-23 10:55:55,773 INFO L226 Difference]: Without dead ends: 79857 [2020-12-23 10:55:55,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:55:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79857 states. [2020-12-23 10:56:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79857 to 79303. [2020-12-23 10:56:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79303 states. [2020-12-23 10:56:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79303 states to 79303 states and 119069 transitions. [2020-12-23 10:56:06,714 INFO L78 Accepts]: Start accepts. Automaton has 79303 states and 119069 transitions. Word has length 84 [2020-12-23 10:56:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:56:06,714 INFO L481 AbstractCegarLoop]: Abstraction has 79303 states and 119069 transitions. [2020-12-23 10:56:06,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:56:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 79303 states and 119069 transitions. [2020-12-23 10:56:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:56:06,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:56:06,722 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] [2020-12-23 10:56:06,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:56:06,723 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:56:06,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:56:06,723 INFO L82 PathProgramCache]: Analyzing trace with hash -720169287, now seen corresponding path program 1 times [2020-12-23 10:56:06,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:56:06,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850207651] [2020-12-23 10:56:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:56:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:56:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:56:06,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850207651] [2020-12-23 10:56:06,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:56:06,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:56:06,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199018267] [2020-12-23 10:56:06,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:56:06,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:56:06,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:56:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:56:06,780 INFO L87 Difference]: Start difference. First operand 79303 states and 119069 transitions. Second operand 3 states. [2020-12-23 10:56:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:56:26,686 INFO L93 Difference]: Finished difference Result 211296 states and 317891 transitions. [2020-12-23 10:56:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:56:26,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 10:56:26,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:56:27,064 INFO L225 Difference]: With dead ends: 211296 [2020-12-23 10:56:27,064 INFO L226 Difference]: Without dead ends: 142954 [2020-12-23 10:56:27,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:56:27,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142954 states. [2020-12-23 10:56:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142954 to 111443. [2020-12-23 10:56:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111443 states. [2020-12-23 10:56:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111443 states to 111443 states and 166739 transitions. [2020-12-23 10:56:43,208 INFO L78 Accepts]: Start accepts. Automaton has 111443 states and 166739 transitions. Word has length 84 [2020-12-23 10:56:43,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:56:43,209 INFO L481 AbstractCegarLoop]: Abstraction has 111443 states and 166739 transitions. [2020-12-23 10:56:43,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:56:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 111443 states and 166739 transitions. [2020-12-23 10:56:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:56:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:56:43,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:56:43,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:56:43,223 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:56:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:56:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1264170607, now seen corresponding path program 1 times [2020-12-23 10:56:43,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:56:43,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175449985] [2020-12-23 10:56:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:56:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:56:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:56:43,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175449985] [2020-12-23 10:56:43,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:56:43,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:56:43,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061199395] [2020-12-23 10:56:43,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:56:43,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:56:43,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:56:43,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:56:43,284 INFO L87 Difference]: Start difference. First operand 111443 states and 166739 transitions. Second operand 3 states. [2020-12-23 10:56:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:56:59,766 INFO L93 Difference]: Finished difference Result 146215 states and 218119 transitions. [2020-12-23 10:56:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:56:59,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 10:56:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:00,055 INFO L225 Difference]: With dead ends: 146215 [2020-12-23 10:57:00,055 INFO L226 Difference]: Without dead ends: 114009 [2020-12-23 10:57:00,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:57:00,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114009 states. [2020-12-23 10:57:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114009 to 104287. [2020-12-23 10:57:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104287 states. [2020-12-23 10:57:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104287 states to 104287 states and 153617 transitions. [2020-12-23 10:57:15,734 INFO L78 Accepts]: Start accepts. Automaton has 104287 states and 153617 transitions. Word has length 84 [2020-12-23 10:57:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:15,734 INFO L481 AbstractCegarLoop]: Abstraction has 104287 states and 153617 transitions. [2020-12-23 10:57:15,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:57:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 104287 states and 153617 transitions. [2020-12-23 10:57:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 10:57:15,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:15,744 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] [2020-12-23 10:57:15,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:57:15,744 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:15,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:15,744 INFO L82 PathProgramCache]: Analyzing trace with hash 725890361, now seen corresponding path program 1 times [2020-12-23 10:57:15,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:15,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347713328] [2020-12-23 10:57:15,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:15,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347713328] [2020-12-23 10:57:15,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:15,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:57:15,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777970341] [2020-12-23 10:57:15,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:57:15,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:15,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:57:15,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:57:15,814 INFO L87 Difference]: Start difference. First operand 104287 states and 153617 transitions. Second operand 3 states. [2020-12-23 10:57:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:57:37,117 INFO L93 Difference]: Finished difference Result 207587 states and 306160 transitions. [2020-12-23 10:57:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:57:37,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 10:57:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:57:37,352 INFO L225 Difference]: With dead ends: 207587 [2020-12-23 10:57:37,352 INFO L226 Difference]: Without dead ends: 133659 [2020-12-23 10:57:37,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:57:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133659 states. [2020-12-23 10:57:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133659 to 132249. [2020-12-23 10:57:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132249 states. [2020-12-23 10:57:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132249 states to 132249 states and 192108 transitions. [2020-12-23 10:57:58,637 INFO L78 Accepts]: Start accepts. Automaton has 132249 states and 192108 transitions. Word has length 84 [2020-12-23 10:57:58,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:57:58,637 INFO L481 AbstractCegarLoop]: Abstraction has 132249 states and 192108 transitions. [2020-12-23 10:57:58,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:57:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 132249 states and 192108 transitions. [2020-12-23 10:57:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 10:57:58,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:57:58,647 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] [2020-12-23 10:57:58,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 10:57:58,647 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:57:58,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:57:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1100960768, now seen corresponding path program 1 times [2020-12-23 10:57:58,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:57:58,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992582285] [2020-12-23 10:57:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:57:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:57:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:57:58,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992582285] [2020-12-23 10:57:58,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:57:58,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 10:57:58,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990794876] [2020-12-23 10:57:58,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 10:57:58,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:57:58,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 10:57:58,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:57:58,755 INFO L87 Difference]: Start difference. First operand 132249 states and 192108 transitions. Second operand 7 states.