/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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:29:21,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:29:21,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:29:21,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:29:21,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:29:21,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:29:21,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:29:21,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:29:21,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:29:21,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:29:21,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:29:21,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:29:21,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:29:21,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:29:21,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:29:21,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:29:21,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:29:21,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:29:21,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:29:21,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:29:21,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:29:21,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:29:21,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:29:21,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:29:21,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:29:21,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:29:21,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:29:21,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:29:21,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:29:21,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:29:21,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:29:21,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:29:21,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:29:21,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:29:21,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:29:21,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:29:21,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:29:21,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:29:21,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:29:21,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:29:21,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:29:21,638 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 10:29:21,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:29:21,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:29:21,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:29:21,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:29:21,697 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:29:21,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:29:21,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:29:21,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:29:21,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:29:21,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:29:21,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:29:21,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:29:21,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:29:21,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:29:21,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:29:21,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:29:21,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:29:21,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:29:21,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:29:21,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:29:21,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:29:21,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:29:21,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:29:21,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:29:21,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:29:21,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:29:22,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:29:22,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:29:22,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:29:22,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:29:22,213 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:29:22,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 10:29:22,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aab788c21/846a999ae5c948f68589d0df250b0b24/FLAG9706e9687 [2020-12-23 10:29:23,014 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:29:23,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 10:29:23,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aab788c21/846a999ae5c948f68589d0df250b0b24/FLAG9706e9687 [2020-12-23 10:29:23,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aab788c21/846a999ae5c948f68589d0df250b0b24 [2020-12-23 10:29:23,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:29:23,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:29:23,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:29:23,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:29:23,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:29:23,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:29:23" (1/1) ... [2020-12-23 10:29:23,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f210789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:23, skipping insertion in model container [2020-12-23 10:29:23,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:29:23" (1/1) ... [2020-12-23 10:29:23,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:29:23,316 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[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1742~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1870~0,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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1988~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_2106~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_2840~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 10:29:23,667 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13742,13755] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2809~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 10:29:23,704 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14389,14402] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2750~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 10:29:23,804 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15665,15678] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_2716~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 10:29:23,851 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16641,16654] 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[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_2339~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p32_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p23_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p13_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2611~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 10:29:24,029 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25112,25125] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2577~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2497~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2229~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:29:24,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:29:24,142 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[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1742~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1870~0,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[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1988~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_2106~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__return_2840~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~3,] [2020-12-23 10:29:24,257 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13742,13755] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__return_2809~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~4,] [2020-12-23 10:29:24,265 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14389,14402] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__return_2750~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~5,] [2020-12-23 10:29:24,277 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15665,15678] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__return_2716~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~6,] [2020-12-23 10:29:24,286 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16641,16654] 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[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__return_2339~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p32_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p23_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~p13_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_1~2,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__return_2611~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~7,] [2020-12-23 10:29:24,336 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25112,25125] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__return_2577~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__return_2497~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__return_2229~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:29:24,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:29:24,417 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:29:24,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24 WrapperNode [2020-12-23 10:29:24,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:29:24,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:29:24,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:29:24,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:29:24,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:29:24,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:29:24,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:29:24,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:29:24,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (1/1) ... [2020-12-23 10:29:24,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:29:24,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:29:24,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:29:24,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:29:24,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (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 10:29:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:29:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:29:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:29:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:29:26,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:29:26,567 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:29:26,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:29:26 BoogieIcfgContainer [2020-12-23 10:29:26,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:29:26,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:29:26,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:29:26,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:29:26,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:29:23" (1/3) ... [2020-12-23 10:29:26,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9944987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:29:26, skipping insertion in model container [2020-12-23 10:29:26,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:29:24" (2/3) ... [2020-12-23 10:29:26,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9944987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:29:26, skipping insertion in model container [2020-12-23 10:29:26,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:29:26" (3/3) ... [2020-12-23 10:29:26,579 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-23 10:29:26,585 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:29:26,591 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-23 10:29:26,611 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-23 10:29:26,650 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:29:26,651 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:29:26,651 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:29:26,651 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:29:26,651 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:29:26,651 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:29:26,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:29:26,652 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:29:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2020-12-23 10:29:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 10:29:26,699 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:26,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:26,701 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:26,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1860790591, now seen corresponding path program 1 times [2020-12-23 10:29:26,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:26,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384186239] [2020-12-23 10:29:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:27,373 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 10:29:27,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384186239] [2020-12-23 10:29:27,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:27,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:27,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927851953] [2020-12-23 10:29:27,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:27,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:27,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:27,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:27,400 INFO L87 Difference]: Start difference. First operand 388 states. Second operand 3 states. [2020-12-23 10:29:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:27,624 INFO L93 Difference]: Finished difference Result 717 states and 1276 transitions. [2020-12-23 10:29:27,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:27,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-12-23 10:29:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:27,648 INFO L225 Difference]: With dead ends: 717 [2020-12-23 10:29:27,649 INFO L226 Difference]: Without dead ends: 589 [2020-12-23 10:29:27,653 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 10:29:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-12-23 10:29:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2020-12-23 10:29:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-12-23 10:29:27,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 861 transitions. [2020-12-23 10:29:27,753 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 861 transitions. Word has length 141 [2020-12-23 10:29:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:27,754 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 861 transitions. [2020-12-23 10:29:27,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 861 transitions. [2020-12-23 10:29:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 10:29:27,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:27,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:27,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:29:27,761 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1860359615, now seen corresponding path program 1 times [2020-12-23 10:29:27,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:27,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146850011] [2020-12-23 10:29:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:28,265 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 10:29:28,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146850011] [2020-12-23 10:29:28,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:28,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:28,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412900817] [2020-12-23 10:29:28,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:28,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:28,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:28,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:28,270 INFO L87 Difference]: Start difference. First operand 587 states and 861 transitions. Second operand 4 states. [2020-12-23 10:29:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:28,444 INFO L93 Difference]: Finished difference Result 1719 states and 2514 transitions. [2020-12-23 10:29:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:28,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-12-23 10:29:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:28,453 INFO L225 Difference]: With dead ends: 1719 [2020-12-23 10:29:28,453 INFO L226 Difference]: Without dead ends: 1141 [2020-12-23 10:29:28,457 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 10:29:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2020-12-23 10:29:28,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1103. [2020-12-23 10:29:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2020-12-23 10:29:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1612 transitions. [2020-12-23 10:29:28,574 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1612 transitions. Word has length 141 [2020-12-23 10:29:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:28,577 INFO L481 AbstractCegarLoop]: Abstraction has 1103 states and 1612 transitions. [2020-12-23 10:29:28,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1612 transitions. [2020-12-23 10:29:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-23 10:29:28,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:28,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:28,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:29:28,587 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:28,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1839649003, now seen corresponding path program 1 times [2020-12-23 10:29:28,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:28,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053276866] [2020-12-23 10:29:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:29:28,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053276866] [2020-12-23 10:29:28,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:28,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:28,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469850500] [2020-12-23 10:29:28,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:28,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:28,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:28,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:28,693 INFO L87 Difference]: Start difference. First operand 1103 states and 1612 transitions. Second operand 3 states. [2020-12-23 10:29:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:28,824 INFO L93 Difference]: Finished difference Result 3271 states and 4774 transitions. [2020-12-23 10:29:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:28,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-12-23 10:29:28,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:28,841 INFO L225 Difference]: With dead ends: 3271 [2020-12-23 10:29:28,841 INFO L226 Difference]: Without dead ends: 2196 [2020-12-23 10:29:28,844 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 10:29:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2020-12-23 10:29:28,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1105. [2020-12-23 10:29:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-12-23 10:29:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1614 transitions. [2020-12-23 10:29:28,932 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1614 transitions. Word has length 142 [2020-12-23 10:29:28,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:28,932 INFO L481 AbstractCegarLoop]: Abstraction has 1105 states and 1614 transitions. [2020-12-23 10:29:28,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1614 transitions. [2020-12-23 10:29:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 10:29:28,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:28,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:28,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:29:28,941 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:28,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:28,944 INFO L82 PathProgramCache]: Analyzing trace with hash 734467803, now seen corresponding path program 1 times [2020-12-23 10:29:28,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:28,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703049550] [2020-12-23 10:29:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:29,131 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 10:29:29,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703049550] [2020-12-23 10:29:29,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:29,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:29,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870005892] [2020-12-23 10:29:29,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:29,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:29,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:29,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:29,134 INFO L87 Difference]: Start difference. First operand 1105 states and 1614 transitions. Second operand 3 states. [2020-12-23 10:29:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:29,412 INFO L93 Difference]: Finished difference Result 3075 states and 4501 transitions. [2020-12-23 10:29:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:29,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-12-23 10:29:29,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:29,433 INFO L225 Difference]: With dead ends: 3075 [2020-12-23 10:29:29,433 INFO L226 Difference]: Without dead ends: 2146 [2020-12-23 10:29:29,440 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 10:29:29,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2020-12-23 10:29:29,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2108. [2020-12-23 10:29:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2020-12-23 10:29:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3060 transitions. [2020-12-23 10:29:29,696 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3060 transitions. Word has length 143 [2020-12-23 10:29:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:29,699 INFO L481 AbstractCegarLoop]: Abstraction has 2108 states and 3060 transitions. [2020-12-23 10:29:29,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3060 transitions. [2020-12-23 10:29:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 10:29:29,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:29,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:29,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:29:29,705 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:29,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:29,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1947336930, now seen corresponding path program 1 times [2020-12-23 10:29:29,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:29,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746989965] [2020-12-23 10:29:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:30,071 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 10:29:30,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746989965] [2020-12-23 10:29:30,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:30,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:29:30,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666133616] [2020-12-23 10:29:30,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:29:30,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:30,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:29:30,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:29:30,074 INFO L87 Difference]: Start difference. First operand 2108 states and 3060 transitions. Second operand 5 states. [2020-12-23 10:29:30,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:30,498 INFO L93 Difference]: Finished difference Result 6002 states and 8697 transitions. [2020-12-23 10:29:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:30,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-12-23 10:29:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:30,520 INFO L225 Difference]: With dead ends: 6002 [2020-12-23 10:29:30,520 INFO L226 Difference]: Without dead ends: 3908 [2020-12-23 10:29:30,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:29:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2020-12-23 10:29:30,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3878. [2020-12-23 10:29:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3878 states. [2020-12-23 10:29:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5564 transitions. [2020-12-23 10:29:30,843 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5564 transitions. Word has length 143 [2020-12-23 10:29:30,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:30,844 INFO L481 AbstractCegarLoop]: Abstraction has 3878 states and 5564 transitions. [2020-12-23 10:29:30,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:29:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5564 transitions. [2020-12-23 10:29:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-23 10:29:30,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:30,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:30,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:29:30,853 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:30,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1237819550, now seen corresponding path program 1 times [2020-12-23 10:29:30,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:30,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563272590] [2020-12-23 10:29:30,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:31,100 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 10:29:31,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563272590] [2020-12-23 10:29:31,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:31,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:31,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16222867] [2020-12-23 10:29:31,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:31,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:31,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:31,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:31,104 INFO L87 Difference]: Start difference. First operand 3878 states and 5564 transitions. Second operand 4 states. [2020-12-23 10:29:31,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:31,743 INFO L93 Difference]: Finished difference Result 11345 states and 16231 transitions. [2020-12-23 10:29:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:31,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-12-23 10:29:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:31,787 INFO L225 Difference]: With dead ends: 11345 [2020-12-23 10:29:31,788 INFO L226 Difference]: Without dead ends: 7523 [2020-12-23 10:29:31,795 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 10:29:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2020-12-23 10:29:32,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7479. [2020-12-23 10:29:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7479 states. [2020-12-23 10:29:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 10620 transitions. [2020-12-23 10:29:32,450 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 10620 transitions. Word has length 143 [2020-12-23 10:29:32,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:32,450 INFO L481 AbstractCegarLoop]: Abstraction has 7479 states and 10620 transitions. [2020-12-23 10:29:32,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 10620 transitions. [2020-12-23 10:29:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-23 10:29:32,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:32,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:32,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:29:32,476 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:32,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:32,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1470261354, now seen corresponding path program 1 times [2020-12-23 10:29:32,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:32,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035978331] [2020-12-23 10:29:32,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:32,545 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 10:29:32,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035978331] [2020-12-23 10:29:32,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:32,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:32,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499571324] [2020-12-23 10:29:32,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:32,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:32,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:32,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:32,558 INFO L87 Difference]: Start difference. First operand 7479 states and 10620 transitions. Second operand 3 states. [2020-12-23 10:29:33,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:33,462 INFO L93 Difference]: Finished difference Result 22285 states and 31627 transitions. [2020-12-23 10:29:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:33,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-23 10:29:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:33,551 INFO L225 Difference]: With dead ends: 22285 [2020-12-23 10:29:33,551 INFO L226 Difference]: Without dead ends: 14897 [2020-12-23 10:29:33,564 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 10:29:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14897 states. [2020-12-23 10:29:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14897 to 7489. [2020-12-23 10:29:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7489 states. [2020-12-23 10:29:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7489 states to 7489 states and 10630 transitions. [2020-12-23 10:29:34,212 INFO L78 Accepts]: Start accepts. Automaton has 7489 states and 10630 transitions. Word has length 144 [2020-12-23 10:29:34,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:34,212 INFO L481 AbstractCegarLoop]: Abstraction has 7489 states and 10630 transitions. [2020-12-23 10:29:34,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7489 states and 10630 transitions. [2020-12-23 10:29:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 10:29:34,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:34,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:34,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:29:34,228 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:34,229 INFO L82 PathProgramCache]: Analyzing trace with hash -671861994, now seen corresponding path program 1 times [2020-12-23 10:29:34,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:34,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270152999] [2020-12-23 10:29:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:34,333 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 10:29:34,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270152999] [2020-12-23 10:29:34,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:34,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:34,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107273942] [2020-12-23 10:29:34,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:34,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:34,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:34,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:34,341 INFO L87 Difference]: Start difference. First operand 7489 states and 10630 transitions. Second operand 3 states. [2020-12-23 10:29:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:35,290 INFO L93 Difference]: Finished difference Result 21181 states and 30129 transitions. [2020-12-23 10:29:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:35,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-12-23 10:29:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:35,323 INFO L225 Difference]: With dead ends: 21181 [2020-12-23 10:29:35,324 INFO L226 Difference]: Without dead ends: 14533 [2020-12-23 10:29:35,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:35,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14533 states. [2020-12-23 10:29:36,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14533 to 14489. [2020-12-23 10:29:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14489 states. [2020-12-23 10:29:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14489 states to 14489 states and 20353 transitions. [2020-12-23 10:29:36,386 INFO L78 Accepts]: Start accepts. Automaton has 14489 states and 20353 transitions. Word has length 145 [2020-12-23 10:29:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:36,386 INFO L481 AbstractCegarLoop]: Abstraction has 14489 states and 20353 transitions. [2020-12-23 10:29:36,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14489 states and 20353 transitions. [2020-12-23 10:29:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 10:29:36,407 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:36,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:36,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:29:36,408 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:36,409 INFO L82 PathProgramCache]: Analyzing trace with hash -720915239, now seen corresponding path program 1 times [2020-12-23 10:29:36,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:36,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479150450] [2020-12-23 10:29:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:36,602 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 10:29:36,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479150450] [2020-12-23 10:29:36,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:36,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:29:36,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039297601] [2020-12-23 10:29:36,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:29:36,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:36,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:29:36,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:29:36,605 INFO L87 Difference]: Start difference. First operand 14489 states and 20353 transitions. Second operand 5 states. [2020-12-23 10:29:38,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:38,290 INFO L93 Difference]: Finished difference Result 38834 states and 54380 transitions. [2020-12-23 10:29:38,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:38,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-12-23 10:29:38,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:38,348 INFO L225 Difference]: With dead ends: 38834 [2020-12-23 10:29:38,348 INFO L226 Difference]: Without dead ends: 24423 [2020-12-23 10:29:38,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:29:38,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2020-12-23 10:29:40,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 24397. [2020-12-23 10:29:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24397 states. [2020-12-23 10:29:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24397 states to 24397 states and 33649 transitions. [2020-12-23 10:29:40,112 INFO L78 Accepts]: Start accepts. Automaton has 24397 states and 33649 transitions. Word has length 145 [2020-12-23 10:29:40,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:40,113 INFO L481 AbstractCegarLoop]: Abstraction has 24397 states and 33649 transitions. [2020-12-23 10:29:40,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:29:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 24397 states and 33649 transitions. [2020-12-23 10:29:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-23 10:29:40,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:40,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:40,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:29:40,153 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:40,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:40,155 INFO L82 PathProgramCache]: Analyzing trace with hash 909534973, now seen corresponding path program 1 times [2020-12-23 10:29:40,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:40,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367455373] [2020-12-23 10:29:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:40,368 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 10:29:40,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367455373] [2020-12-23 10:29:40,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:40,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:40,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993387046] [2020-12-23 10:29:40,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:40,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:40,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:40,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:40,371 INFO L87 Difference]: Start difference. First operand 24397 states and 33649 transitions. Second operand 4 states. [2020-12-23 10:29:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:41,622 INFO L93 Difference]: Finished difference Result 49325 states and 67865 transitions. [2020-12-23 10:29:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:41,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-12-23 10:29:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:41,685 INFO L225 Difference]: With dead ends: 49325 [2020-12-23 10:29:41,685 INFO L226 Difference]: Without dead ends: 25322 [2020-12-23 10:29:41,717 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 10:29:41,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25322 states. [2020-12-23 10:29:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25322 to 24863. [2020-12-23 10:29:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24863 states. [2020-12-23 10:29:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24863 states to 24863 states and 34162 transitions. [2020-12-23 10:29:43,279 INFO L78 Accepts]: Start accepts. Automaton has 24863 states and 34162 transitions. Word has length 145 [2020-12-23 10:29:43,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:43,280 INFO L481 AbstractCegarLoop]: Abstraction has 24863 states and 34162 transitions. [2020-12-23 10:29:43,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 24863 states and 34162 transitions. [2020-12-23 10:29:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-23 10:29:43,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:43,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:43,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:29:43,334 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:43,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:43,335 INFO L82 PathProgramCache]: Analyzing trace with hash -497015959, now seen corresponding path program 1 times [2020-12-23 10:29:43,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:43,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264548836] [2020-12-23 10:29:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:43,410 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 10:29:43,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264548836] [2020-12-23 10:29:43,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:43,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:43,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097534043] [2020-12-23 10:29:43,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:43,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:43,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:43,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:43,413 INFO L87 Difference]: Start difference. First operand 24863 states and 34162 transitions. Second operand 3 states. [2020-12-23 10:29:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:45,539 INFO L93 Difference]: Finished difference Result 72633 states and 100090 transitions. [2020-12-23 10:29:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:29:45,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-12-23 10:29:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:45,623 INFO L225 Difference]: With dead ends: 72633 [2020-12-23 10:29:45,624 INFO L226 Difference]: Without dead ends: 49312 [2020-12-23 10:29:45,652 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 10:29:45,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49312 states. [2020-12-23 10:29:47,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49312 to 24903. [2020-12-23 10:29:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24903 states. [2020-12-23 10:29:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 34202 transitions. [2020-12-23 10:29:47,366 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 34202 transitions. Word has length 146 [2020-12-23 10:29:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:47,366 INFO L481 AbstractCegarLoop]: Abstraction has 24903 states and 34202 transitions. [2020-12-23 10:29:47,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:29:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 34202 transitions. [2020-12-23 10:29:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-23 10:29:47,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:47,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:47,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:29:47,398 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1442584356, now seen corresponding path program 1 times [2020-12-23 10:29:47,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:47,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253275661] [2020-12-23 10:29:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:47,575 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 10:29:47,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253275661] [2020-12-23 10:29:47,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:47,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:47,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28793854] [2020-12-23 10:29:47,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:47,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:47,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:47,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:47,578 INFO L87 Difference]: Start difference. First operand 24903 states and 34202 transitions. Second operand 4 states. [2020-12-23 10:29:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:48,747 INFO L93 Difference]: Finished difference Result 40404 states and 55585 transitions. [2020-12-23 10:29:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:48,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2020-12-23 10:29:48,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:48,774 INFO L225 Difference]: With dead ends: 40404 [2020-12-23 10:29:48,774 INFO L226 Difference]: Without dead ends: 16484 [2020-12-23 10:29:48,793 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 10:29:48,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16484 states. [2020-12-23 10:29:49,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16484 to 16484. [2020-12-23 10:29:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16484 states. [2020-12-23 10:29:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16484 states to 16484 states and 22549 transitions. [2020-12-23 10:29:49,799 INFO L78 Accepts]: Start accepts. Automaton has 16484 states and 22549 transitions. Word has length 147 [2020-12-23 10:29:49,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:49,799 INFO L481 AbstractCegarLoop]: Abstraction has 16484 states and 22549 transitions. [2020-12-23 10:29:49,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 16484 states and 22549 transitions. [2020-12-23 10:29:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-23 10:29:49,812 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:49,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:49,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:29:49,813 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:49,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1557306087, now seen corresponding path program 1 times [2020-12-23 10:29:49,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:49,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442970429] [2020-12-23 10:29:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:49,993 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 10:29:49,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442970429] [2020-12-23 10:29:49,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:49,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:49,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846909393] [2020-12-23 10:29:49,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:49,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:49,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:49,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:49,995 INFO L87 Difference]: Start difference. First operand 16484 states and 22549 transitions. Second operand 4 states. [2020-12-23 10:29:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:52,035 INFO L93 Difference]: Finished difference Result 32605 states and 46325 transitions. [2020-12-23 10:29:52,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:52,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-12-23 10:29:52,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:52,061 INFO L225 Difference]: With dead ends: 32605 [2020-12-23 10:29:52,062 INFO L226 Difference]: Without dead ends: 26686 [2020-12-23 10:29:52,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:52,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26686 states. [2020-12-23 10:29:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26686 to 26684. [2020-12-23 10:29:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26684 states. [2020-12-23 10:29:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26684 states to 26684 states and 36777 transitions. [2020-12-23 10:29:53,771 INFO L78 Accepts]: Start accepts. Automaton has 26684 states and 36777 transitions. Word has length 155 [2020-12-23 10:29:53,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:53,771 INFO L481 AbstractCegarLoop]: Abstraction has 26684 states and 36777 transitions. [2020-12-23 10:29:53,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26684 states and 36777 transitions. [2020-12-23 10:29:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-23 10:29:53,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:53,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:53,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:29:53,790 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:53,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:53,791 INFO L82 PathProgramCache]: Analyzing trace with hash 296784743, now seen corresponding path program 1 times [2020-12-23 10:29:53,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:53,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067738984] [2020-12-23 10:29:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:53,949 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 10:29:53,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067738984] [2020-12-23 10:29:53,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:53,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:29:53,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878725108] [2020-12-23 10:29:53,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:29:53,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:29:53,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:29:53,952 INFO L87 Difference]: Start difference. First operand 26684 states and 36777 transitions. Second operand 4 states. [2020-12-23 10:29:55,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:29:55,611 INFO L93 Difference]: Finished difference Result 44294 states and 61254 transitions. [2020-12-23 10:29:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:29:55,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-12-23 10:29:55,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:29:55,636 INFO L225 Difference]: With dead ends: 44294 [2020-12-23 10:29:55,636 INFO L226 Difference]: Without dead ends: 24301 [2020-12-23 10:29:55,652 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 10:29:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24301 states. [2020-12-23 10:29:56,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24301 to 24301. [2020-12-23 10:29:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24301 states. [2020-12-23 10:29:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24301 states to 24301 states and 33596 transitions. [2020-12-23 10:29:57,015 INFO L78 Accepts]: Start accepts. Automaton has 24301 states and 33596 transitions. Word has length 155 [2020-12-23 10:29:57,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:29:57,015 INFO L481 AbstractCegarLoop]: Abstraction has 24301 states and 33596 transitions. [2020-12-23 10:29:57,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:29:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24301 states and 33596 transitions. [2020-12-23 10:29:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-23 10:29:57,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:29:57,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:57,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:29:57,033 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:29:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:29:57,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1163062228, now seen corresponding path program 1 times [2020-12-23 10:29:57,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:29:57,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690505024] [2020-12-23 10:29:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:29:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:29:57,101 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 10:29:57,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690505024] [2020-12-23 10:29:57,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:29:57,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:29:57,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705314379] [2020-12-23 10:29:57,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:29:57,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:29:57,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:29:57,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:29:57,103 INFO L87 Difference]: Start difference. First operand 24301 states and 33596 transitions. Second operand 3 states. [2020-12-23 10:30:00,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:00,269 INFO L93 Difference]: Finished difference Result 68381 states and 95160 transitions. [2020-12-23 10:30:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:30:00,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-12-23 10:30:00,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:00,320 INFO L225 Difference]: With dead ends: 68381 [2020-12-23 10:30:00,320 INFO L226 Difference]: Without dead ends: 47183 [2020-12-23 10:30:00,336 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 10:30:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47183 states. [2020-12-23 10:30:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47183 to 47129. [2020-12-23 10:30:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47129 states. [2020-12-23 10:30:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47129 states to 47129 states and 64776 transitions. [2020-12-23 10:30:03,318 INFO L78 Accepts]: Start accepts. Automaton has 47129 states and 64776 transitions. Word has length 161 [2020-12-23 10:30:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:03,319 INFO L481 AbstractCegarLoop]: Abstraction has 47129 states and 64776 transitions. [2020-12-23 10:30:03,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:30:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 47129 states and 64776 transitions. [2020-12-23 10:30:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-23 10:30:03,373 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:03,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:03,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:30:03,373 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:03,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1593816879, now seen corresponding path program 1 times [2020-12-23 10:30:03,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:03,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499088907] [2020-12-23 10:30:03,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:03,658 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 10:30:03,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499088907] [2020-12-23 10:30:03,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:03,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:30:03,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118152857] [2020-12-23 10:30:03,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 10:30:03,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:03,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 10:30:03,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:30:03,663 INFO L87 Difference]: Start difference. First operand 47129 states and 64776 transitions. Second operand 9 states. [2020-12-23 10:30:06,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:06,438 INFO L93 Difference]: Finished difference Result 61353 states and 87171 transitions. [2020-12-23 10:30:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:30:06,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-12-23 10:30:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:06,480 INFO L225 Difference]: With dead ends: 61353 [2020-12-23 10:30:06,480 INFO L226 Difference]: Without dead ends: 42651 [2020-12-23 10:30:06,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:30:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42651 states. [2020-12-23 10:30:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42651 to 42649. [2020-12-23 10:30:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42649 states. [2020-12-23 10:30:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42649 states to 42649 states and 57335 transitions. [2020-12-23 10:30:09,347 INFO L78 Accepts]: Start accepts. Automaton has 42649 states and 57335 transitions. Word has length 161 [2020-12-23 10:30:09,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:09,347 INFO L481 AbstractCegarLoop]: Abstraction has 42649 states and 57335 transitions. [2020-12-23 10:30:09,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 10:30:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 42649 states and 57335 transitions. [2020-12-23 10:30:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-23 10:30:09,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:09,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:09,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:30:09,372 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:09,372 INFO L82 PathProgramCache]: Analyzing trace with hash 554982836, now seen corresponding path program 1 times [2020-12-23 10:30:09,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:09,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607347093] [2020-12-23 10:30:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:09,530 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 10:30:09,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607347093] [2020-12-23 10:30:09,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:09,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:30:09,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617036301] [2020-12-23 10:30:09,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:30:09,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:09,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:30:09,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:30:09,533 INFO L87 Difference]: Start difference. First operand 42649 states and 57335 transitions. Second operand 4 states. [2020-12-23 10:30:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:11,645 INFO L93 Difference]: Finished difference Result 71323 states and 95769 transitions. [2020-12-23 10:30:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:30:11,646 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2020-12-23 10:30:11,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:11,677 INFO L225 Difference]: With dead ends: 71323 [2020-12-23 10:30:11,677 INFO L226 Difference]: Without dead ends: 28744 [2020-12-23 10:30:11,696 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 10:30:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2020-12-23 10:30:13,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2020-12-23 10:30:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28744 states. [2020-12-23 10:30:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 38520 transitions. [2020-12-23 10:30:13,577 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 38520 transitions. Word has length 161 [2020-12-23 10:30:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:13,577 INFO L481 AbstractCegarLoop]: Abstraction has 28744 states and 38520 transitions. [2020-12-23 10:30:13,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:30:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 38520 transitions. [2020-12-23 10:30:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-23 10:30:13,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:13,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:13,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 10:30:13,605 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:13,605 INFO L82 PathProgramCache]: Analyzing trace with hash 414006733, now seen corresponding path program 1 times [2020-12-23 10:30:13,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:13,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260948259] [2020-12-23 10:30:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:13,765 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 10:30:13,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260948259] [2020-12-23 10:30:13,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:13,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:30:13,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347108003] [2020-12-23 10:30:13,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:30:13,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:13,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:30:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:30:13,768 INFO L87 Difference]: Start difference. First operand 28744 states and 38520 transitions. Second operand 6 states. [2020-12-23 10:30:15,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:15,957 INFO L93 Difference]: Finished difference Result 56423 states and 75789 transitions. [2020-12-23 10:30:15,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:30:15,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2020-12-23 10:30:15,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:15,991 INFO L225 Difference]: With dead ends: 56423 [2020-12-23 10:30:15,992 INFO L226 Difference]: Without dead ends: 28746 [2020-12-23 10:30:16,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 10:30:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2020-12-23 10:30:17,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28588. [2020-12-23 10:30:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28588 states. [2020-12-23 10:30:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28588 states to 28588 states and 37916 transitions. [2020-12-23 10:30:17,889 INFO L78 Accepts]: Start accepts. Automaton has 28588 states and 37916 transitions. Word has length 169 [2020-12-23 10:30:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:17,890 INFO L481 AbstractCegarLoop]: Abstraction has 28588 states and 37916 transitions. [2020-12-23 10:30:17,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:30:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 28588 states and 37916 transitions. [2020-12-23 10:30:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-23 10:30:17,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:17,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:17,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 10:30:17,909 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:17,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1444044968, now seen corresponding path program 1 times [2020-12-23 10:30:17,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:17,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327236378] [2020-12-23 10:30:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:18,109 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 10:30:18,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327236378] [2020-12-23 10:30:18,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:18,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:30:18,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419906339] [2020-12-23 10:30:18,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:30:18,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:18,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:30:18,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:30:18,112 INFO L87 Difference]: Start difference. First operand 28588 states and 37916 transitions. Second operand 4 states. [2020-12-23 10:30:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:20,762 INFO L93 Difference]: Finished difference Result 52350 states and 71145 transitions. [2020-12-23 10:30:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:30:20,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2020-12-23 10:30:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:20,806 INFO L225 Difference]: With dead ends: 52350 [2020-12-23 10:30:20,807 INFO L226 Difference]: Without dead ends: 41075 [2020-12-23 10:30:20,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:30:20,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41075 states. [2020-12-23 10:30:23,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41075 to 41073. [2020-12-23 10:30:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41073 states. [2020-12-23 10:30:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41073 states to 41073 states and 53829 transitions. [2020-12-23 10:30:23,715 INFO L78 Accepts]: Start accepts. Automaton has 41073 states and 53829 transitions. Word has length 169 [2020-12-23 10:30:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:23,716 INFO L481 AbstractCegarLoop]: Abstraction has 41073 states and 53829 transitions. [2020-12-23 10:30:23,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:30:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 41073 states and 53829 transitions. [2020-12-23 10:30:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-23 10:30:23,740 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:23,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:23,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 10:30:23,741 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:23,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:23,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1157430736, now seen corresponding path program 1 times [2020-12-23 10:30:23,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:23,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111103990] [2020-12-23 10:30:23,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:23,915 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 10:30:23,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111103990] [2020-12-23 10:30:23,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:23,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:30:23,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281739727] [2020-12-23 10:30:23,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:30:23,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:23,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:30:23,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:30:23,917 INFO L87 Difference]: Start difference. First operand 41073 states and 53829 transitions. Second operand 4 states. [2020-12-23 10:30:26,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:26,885 INFO L93 Difference]: Finished difference Result 82429 states and 107978 transitions. [2020-12-23 10:30:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:30:26,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2020-12-23 10:30:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:26,930 INFO L225 Difference]: With dead ends: 82429 [2020-12-23 10:30:26,931 INFO L226 Difference]: Without dead ends: 41682 [2020-12-23 10:30:26,959 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 10:30:26,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2020-12-23 10:30:30,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 41361. [2020-12-23 10:30:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41361 states. [2020-12-23 10:30:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41361 states to 41361 states and 54136 transitions. [2020-12-23 10:30:30,174 INFO L78 Accepts]: Start accepts. Automaton has 41361 states and 54136 transitions. Word has length 169 [2020-12-23 10:30:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:30,175 INFO L481 AbstractCegarLoop]: Abstraction has 41361 states and 54136 transitions. [2020-12-23 10:30:30,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:30:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41361 states and 54136 transitions. [2020-12-23 10:30:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-23 10:30:30,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:30,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:30,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 10:30:30,199 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:30,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1236291671, now seen corresponding path program 1 times [2020-12-23 10:30:30,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:30,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800422229] [2020-12-23 10:30:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:30,339 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 10:30:30,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800422229] [2020-12-23 10:30:30,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:30,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:30:30,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15825010] [2020-12-23 10:30:30,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:30:30,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:30,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:30:30,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:30:30,342 INFO L87 Difference]: Start difference. First operand 41361 states and 54136 transitions. Second operand 4 states. [2020-12-23 10:30:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:32,771 INFO L93 Difference]: Finished difference Result 59148 states and 77388 transitions. [2020-12-23 10:30:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:30:32,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2020-12-23 10:30:32,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:32,805 INFO L225 Difference]: With dead ends: 59148 [2020-12-23 10:30:32,805 INFO L226 Difference]: Without dead ends: 35812 [2020-12-23 10:30:32,820 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 10:30:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35812 states. [2020-12-23 10:30:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35812 to 35812. [2020-12-23 10:30:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35812 states. [2020-12-23 10:30:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35812 states to 35812 states and 46843 transitions. [2020-12-23 10:30:35,447 INFO L78 Accepts]: Start accepts. Automaton has 35812 states and 46843 transitions. Word has length 169 [2020-12-23 10:30:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:35,447 INFO L481 AbstractCegarLoop]: Abstraction has 35812 states and 46843 transitions. [2020-12-23 10:30:35,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:30:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 35812 states and 46843 transitions. [2020-12-23 10:30:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:30:35,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:35,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:35,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 10:30:35,468 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:35,469 INFO L82 PathProgramCache]: Analyzing trace with hash -855174734, now seen corresponding path program 1 times [2020-12-23 10:30:35,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:35,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031667279] [2020-12-23 10:30:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:37,052 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 10:30:37,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031667279] [2020-12-23 10:30:37,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:37,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-12-23 10:30:37,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494355039] [2020-12-23 10:30:37,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 10:30:37,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:37,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 10:30:37,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2020-12-23 10:30:37,054 INFO L87 Difference]: Start difference. First operand 35812 states and 46843 transitions. Second operand 22 states. [2020-12-23 10:30:37,827 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-23 10:30:38,038 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 10:30:38,489 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 10:30:38,760 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 10:30:39,020 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-12-23 10:30:39,913 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-12-23 10:30:40,355 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2020-12-23 10:30:41,446 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2020-12-23 10:30:41,890 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2020-12-23 10:30:42,850 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2020-12-23 10:30:43,149 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-12-23 10:30:43,579 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2020-12-23 10:30:44,016 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2020-12-23 10:30:44,325 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-12-23 10:30:44,774 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2020-12-23 10:30:45,449 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-12-23 10:30:45,720 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-12-23 10:30:46,111 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-12-23 10:30:46,442 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 10:30:46,773 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-12-23 10:30:47,195 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 10:30:47,503 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-23 10:30:47,840 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-23 10:30:48,380 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-12-23 10:30:48,786 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-23 10:30:49,109 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 10:30:49,527 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-23 10:30:50,541 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-23 10:30:51,158 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-23 10:30:54,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:30:54,352 INFO L93 Difference]: Finished difference Result 55948 states and 74303 transitions. [2020-12-23 10:30:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-23 10:30:54,354 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 171 [2020-12-23 10:30:54,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:30:54,417 INFO L225 Difference]: With dead ends: 55948 [2020-12-23 10:30:54,417 INFO L226 Difference]: Without dead ends: 54608 [2020-12-23 10:30:54,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=722, Invalid=2358, Unknown=0, NotChecked=0, Total=3080 [2020-12-23 10:30:54,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54608 states. [2020-12-23 10:30:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54608 to 37462. [2020-12-23 10:30:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37462 states. [2020-12-23 10:30:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37462 states to 37462 states and 48804 transitions. [2020-12-23 10:30:57,895 INFO L78 Accepts]: Start accepts. Automaton has 37462 states and 48804 transitions. Word has length 171 [2020-12-23 10:30:57,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:30:57,896 INFO L481 AbstractCegarLoop]: Abstraction has 37462 states and 48804 transitions. [2020-12-23 10:30:57,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 10:30:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 37462 states and 48804 transitions. [2020-12-23 10:30:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:30:57,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:30:57,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:57,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 10:30:57,921 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:30:57,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:30:57,921 INFO L82 PathProgramCache]: Analyzing trace with hash -176781235, now seen corresponding path program 1 times [2020-12-23 10:30:57,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:30:57,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873006332] [2020-12-23 10:30:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:30:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:30:58,191 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 10:30:58,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873006332] [2020-12-23 10:30:58,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:30:58,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:30:58,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147489612] [2020-12-23 10:30:58,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:30:58,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:30:58,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:30:58,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:30:58,194 INFO L87 Difference]: Start difference. First operand 37462 states and 48804 transitions. Second operand 10 states. [2020-12-23 10:31:00,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:00,829 INFO L93 Difference]: Finished difference Result 61389 states and 81018 transitions. [2020-12-23 10:31:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:31:00,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-12-23 10:31:00,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:00,859 INFO L225 Difference]: With dead ends: 61389 [2020-12-23 10:31:00,859 INFO L226 Difference]: Without dead ends: 26126 [2020-12-23 10:31:00,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 10:31:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26126 states. [2020-12-23 10:31:02,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26126 to 20465. [2020-12-23 10:31:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20465 states. [2020-12-23 10:31:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20465 states to 20465 states and 26306 transitions. [2020-12-23 10:31:02,800 INFO L78 Accepts]: Start accepts. Automaton has 20465 states and 26306 transitions. Word has length 171 [2020-12-23 10:31:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:02,801 INFO L481 AbstractCegarLoop]: Abstraction has 20465 states and 26306 transitions. [2020-12-23 10:31:02,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 10:31:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 20465 states and 26306 transitions. [2020-12-23 10:31:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:31:02,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:02,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:02,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 10:31:02,818 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:02,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:02,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1795637352, now seen corresponding path program 1 times [2020-12-23 10:31:02,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:02,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080788280] [2020-12-23 10:31:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:04,064 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 10:31:04,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080788280] [2020-12-23 10:31:04,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:04,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-12-23 10:31:04,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035805302] [2020-12-23 10:31:04,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 10:31:04,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:04,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 10:31:04,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2020-12-23 10:31:04,066 INFO L87 Difference]: Start difference. First operand 20465 states and 26306 transitions. Second operand 22 states. [2020-12-23 10:31:04,630 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-23 10:31:04,774 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-12-23 10:31:04,948 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-12-23 10:31:05,206 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-23 10:31:05,476 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-12-23 10:31:06,174 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-12-23 10:31:06,751 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-12-23 10:31:06,928 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-23 10:31:07,162 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-12-23 10:31:07,519 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-23 10:31:07,686 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-12-23 10:31:08,037 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-12-23 10:31:09,018 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-23 10:31:09,988 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2020-12-23 10:31:10,525 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2020-12-23 10:31:11,332 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2020-12-23 10:31:11,878 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2020-12-23 10:31:12,347 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-12-23 10:31:12,694 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2020-12-23 10:31:12,974 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-23 10:31:13,709 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-12-23 10:31:14,196 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2020-12-23 10:31:14,733 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2020-12-23 10:31:15,268 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2020-12-23 10:31:15,633 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2020-12-23 10:31:15,872 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-23 10:31:16,346 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-12-23 10:31:16,682 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-12-23 10:31:17,072 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-12-23 10:31:17,385 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2020-12-23 10:31:17,711 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-12-23 10:31:17,892 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-23 10:31:18,199 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-12-23 10:31:18,711 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-23 10:31:18,917 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 10:31:19,187 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-12-23 10:31:19,408 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 10:31:19,636 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-12-23 10:31:19,800 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-12-23 10:31:20,193 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-12-23 10:31:20,484 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-23 10:31:20,846 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-23 10:31:21,092 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-23 10:31:21,554 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-12-23 10:31:22,038 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-23 10:31:22,509 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2020-12-23 10:31:22,954 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-12-23 10:31:23,276 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2020-12-23 10:31:23,995 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-12-23 10:31:24,653 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-12-23 10:31:26,998 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-12-23 10:31:27,438 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-12-23 10:31:28,041 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-12-23 10:31:28,355 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-23 10:31:29,064 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-12-23 10:31:29,676 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-12-23 10:31:31,258 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-23 10:31:31,608 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2020-12-23 10:31:32,099 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-12-23 10:31:32,382 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-23 10:31:32,835 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-23 10:31:33,078 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-12-23 10:31:33,850 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-12-23 10:31:34,343 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-12-23 10:31:34,988 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-12-23 10:31:35,408 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-12-23 10:31:36,484 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-12-23 10:31:36,742 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-23 10:31:37,268 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-12-23 10:31:37,621 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-12-23 10:31:39,072 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2020-12-23 10:31:39,591 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-12-23 10:31:41,824 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2020-12-23 10:31:42,108 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-12-23 10:31:44,349 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-23 10:31:44,710 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2020-12-23 10:31:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:45,470 INFO L93 Difference]: Finished difference Result 64190 states and 90870 transitions. [2020-12-23 10:31:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-12-23 10:31:45,471 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 171 [2020-12-23 10:31:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:45,540 INFO L225 Difference]: With dead ends: 64190 [2020-12-23 10:31:45,541 INFO L226 Difference]: Without dead ends: 62878 [2020-12-23 10:31:45,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=2023, Invalid=8483, Unknown=0, NotChecked=0, Total=10506 [2020-12-23 10:31:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62878 states. [2020-12-23 10:31:48,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62878 to 22258. [2020-12-23 10:31:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22258 states. [2020-12-23 10:31:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22258 states to 22258 states and 28464 transitions. [2020-12-23 10:31:48,488 INFO L78 Accepts]: Start accepts. Automaton has 22258 states and 28464 transitions. Word has length 171 [2020-12-23 10:31:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:48,488 INFO L481 AbstractCegarLoop]: Abstraction has 22258 states and 28464 transitions. [2020-12-23 10:31:48,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 10:31:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 22258 states and 28464 transitions. [2020-12-23 10:31:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:31:48,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:48,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:48,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 10:31:48,509 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:48,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:48,510 INFO L82 PathProgramCache]: Analyzing trace with hash 367317059, now seen corresponding path program 1 times [2020-12-23 10:31:48,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:48,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141976232] [2020-12-23 10:31:48,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:48,608 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 10:31:48,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141976232] [2020-12-23 10:31:48,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:48,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:31:48,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306035246] [2020-12-23 10:31:48,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:31:48,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:48,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:31:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:31:48,610 INFO L87 Difference]: Start difference. First operand 22258 states and 28464 transitions. Second operand 3 states. [2020-12-23 10:31:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:31:53,627 INFO L93 Difference]: Finished difference Result 52681 states and 68453 transitions. [2020-12-23 10:31:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:31:53,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-12-23 10:31:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:31:53,677 INFO L225 Difference]: With dead ends: 52681 [2020-12-23 10:31:53,678 INFO L226 Difference]: Without dead ends: 38202 [2020-12-23 10:31:53,692 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 10:31:53,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38202 states. [2020-12-23 10:31:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38202 to 37672. [2020-12-23 10:31:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37672 states. [2020-12-23 10:31:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37672 states to 37672 states and 48293 transitions. [2020-12-23 10:31:58,494 INFO L78 Accepts]: Start accepts. Automaton has 37672 states and 48293 transitions. Word has length 171 [2020-12-23 10:31:58,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:31:58,494 INFO L481 AbstractCegarLoop]: Abstraction has 37672 states and 48293 transitions. [2020-12-23 10:31:58,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:31:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 37672 states and 48293 transitions. [2020-12-23 10:31:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:31:58,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:31:58,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:58,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 10:31:58,519 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:31:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:31:58,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1837040563, now seen corresponding path program 1 times [2020-12-23 10:31:58,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:31:58,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792243786] [2020-12-23 10:31:58,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:31:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:31:58,825 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 10:31:58,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792243786] [2020-12-23 10:31:58,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:31:58,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 10:31:58,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122210951] [2020-12-23 10:31:58,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 10:31:58,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:31:58,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 10:31:58,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-23 10:31:58,828 INFO L87 Difference]: Start difference. First operand 37672 states and 48293 transitions. Second operand 11 states. [2020-12-23 10:32:03,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:03,816 INFO L93 Difference]: Finished difference Result 53408 states and 69853 transitions. [2020-12-23 10:32:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:32:03,817 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-12-23 10:32:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:03,859 INFO L225 Difference]: With dead ends: 53408 [2020-12-23 10:32:03,859 INFO L226 Difference]: Without dead ends: 37672 [2020-12-23 10:32:03,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-12-23 10:32:03,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37672 states. [2020-12-23 10:32:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37672 to 37672. [2020-12-23 10:32:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37672 states. [2020-12-23 10:32:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37672 states to 37672 states and 47943 transitions. [2020-12-23 10:32:08,577 INFO L78 Accepts]: Start accepts. Automaton has 37672 states and 47943 transitions. Word has length 171 [2020-12-23 10:32:08,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:08,578 INFO L481 AbstractCegarLoop]: Abstraction has 37672 states and 47943 transitions. [2020-12-23 10:32:08,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 10:32:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 37672 states and 47943 transitions. [2020-12-23 10:32:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:32:08,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:08,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:08,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 10:32:08,611 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:08,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:08,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1127609204, now seen corresponding path program 1 times [2020-12-23 10:32:08,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:08,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171900795] [2020-12-23 10:32:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:10,027 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 10:32:10,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171900795] [2020-12-23 10:32:10,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:10,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-12-23 10:32:10,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901905302] [2020-12-23 10:32:10,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 10:32:10,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:10,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 10:32:10,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2020-12-23 10:32:10,029 INFO L87 Difference]: Start difference. First operand 37672 states and 47943 transitions. Second operand 21 states. [2020-12-23 10:32:10,614 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-12-23 10:32:12,574 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-23 10:32:13,128 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-12-23 10:32:14,284 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-12-23 10:32:14,738 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-12-23 10:32:15,733 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-12-23 10:32:16,351 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-12-23 10:32:16,837 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 10:32:17,912 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 10:32:18,339 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-12-23 10:32:18,955 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-12-23 10:32:19,439 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-12-23 10:32:20,941 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-12-23 10:32:28,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:28,114 INFO L93 Difference]: Finished difference Result 56333 states and 74711 transitions. [2020-12-23 10:32:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 10:32:28,115 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 171 [2020-12-23 10:32:28,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:28,181 INFO L225 Difference]: With dead ends: 56333 [2020-12-23 10:32:28,182 INFO L226 Difference]: Without dead ends: 55341 [2020-12-23 10:32:28,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2020-12-23 10:32:28,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55341 states. [2020-12-23 10:32:33,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55341 to 38399. [2020-12-23 10:32:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38399 states. [2020-12-23 10:32:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38399 states to 38399 states and 48818 transitions. [2020-12-23 10:32:33,589 INFO L78 Accepts]: Start accepts. Automaton has 38399 states and 48818 transitions. Word has length 171 [2020-12-23 10:32:33,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:33,589 INFO L481 AbstractCegarLoop]: Abstraction has 38399 states and 48818 transitions. [2020-12-23 10:32:33,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 10:32:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 38399 states and 48818 transitions. [2020-12-23 10:32:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:32:33,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:33,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:33,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 10:32:33,614 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:33,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:33,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2108510481, now seen corresponding path program 1 times [2020-12-23 10:32:33,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:33,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731924280] [2020-12-23 10:32:33,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:32:34,512 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 10:32:34,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731924280] [2020-12-23 10:32:34,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:32:34,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-23 10:32:34,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002678764] [2020-12-23 10:32:34,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 10:32:34,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:32:34,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 10:32:34,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-23 10:32:34,514 INFO L87 Difference]: Start difference. First operand 38399 states and 48818 transitions. Second operand 18 states. [2020-12-23 10:32:39,206 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-23 10:32:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:32:52,178 INFO L93 Difference]: Finished difference Result 92660 states and 123636 transitions. [2020-12-23 10:32:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 10:32:52,180 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 171 [2020-12-23 10:32:52,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:32:52,285 INFO L225 Difference]: With dead ends: 92660 [2020-12-23 10:32:52,286 INFO L226 Difference]: Without dead ends: 86397 [2020-12-23 10:32:52,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=425, Invalid=1467, Unknown=0, NotChecked=0, Total=1892 [2020-12-23 10:32:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86397 states. [2020-12-23 10:32:59,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86397 to 49169. [2020-12-23 10:32:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49169 states. [2020-12-23 10:32:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49169 states to 49169 states and 61488 transitions. [2020-12-23 10:32:59,796 INFO L78 Accepts]: Start accepts. Automaton has 49169 states and 61488 transitions. Word has length 171 [2020-12-23 10:32:59,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:32:59,797 INFO L481 AbstractCegarLoop]: Abstraction has 49169 states and 61488 transitions. [2020-12-23 10:32:59,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 10:32:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49169 states and 61488 transitions. [2020-12-23 10:32:59,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 10:32:59,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:32:59,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:59,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 10:32:59,832 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:32:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:32:59,833 INFO L82 PathProgramCache]: Analyzing trace with hash 416227804, now seen corresponding path program 1 times [2020-12-23 10:32:59,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:32:59,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264401214] [2020-12-23 10:32:59,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:32:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:33:00,437 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 10:33:00,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264401214] [2020-12-23 10:33:00,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:33:00,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-23 10:33:00,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505322873] [2020-12-23 10:33:00,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 10:33:00,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:33:00,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 10:33:00,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-12-23 10:33:00,439 INFO L87 Difference]: Start difference. First operand 49169 states and 61488 transitions. Second operand 16 states. [2020-12-23 10:33:00,574 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-23 10:33:01,705 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-12-23 10:33:03,125 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-23 10:33:04,297 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 10:33:04,614 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-23 10:33:04,892 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-23 10:33:05,050 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-12-23 10:33:05,395 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-12-23 10:33:05,525 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 10:33:08,713 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-12-23 10:33:08,903 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-12-23 10:33:10,120 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 10:33:12,867 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-23 10:33:13,536 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-12-23 10:33:13,734 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-12-23 10:33:14,431 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-23 10:33:14,957 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 10:33:15,174 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-12-23 10:33:15,584 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-12-23 10:33:17,432 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-12-23 10:33:17,640 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-12-23 10:33:17,937 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43