/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:15:58,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:15:58,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:15:58,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:15:58,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:15:58,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:15:58,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:15:58,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:15:58,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:15:58,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:15:58,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:15:58,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:15:58,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:15:58,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:15:58,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:15:58,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:15:58,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:15:58,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:15:58,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:15:58,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:15:58,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:15:58,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:15:58,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:15:58,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:15:58,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 11:15:58,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 11:15:58,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 11:15:58,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 11:15:58,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 11:15:58,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 11:15:58,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:15:58,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:15:58,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:15:58,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:15:58,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:15:58,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:15:58,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:15:58,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:15:58,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:15:58,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:15:58,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:15:58,205 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 11:15:58,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:15:58,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:15:58,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:15:58,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:15:58,233 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:15:58,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:15:58,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:15:58,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:15:58,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:15:58,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:15:58,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:15:58,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:15:58,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:15:58,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:15:58,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:15:58,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:15:58,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:15:58,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:15:58,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:15:58,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:15:58,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:15:58,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:15:58,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:15:58,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:15:58,647 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:15:58,648 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:15:58,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 11:15:58,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0068d4fcf/3589645cc49a45a2a9aa216d7a01abba/FLAG673cb5224 [2020-12-23 11:15:59,386 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:15:59,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 11:15:59,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0068d4fcf/3589645cc49a45a2a9aa216d7a01abba/FLAG673cb5224 [2020-12-23 11:15:59,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0068d4fcf/3589645cc49a45a2a9aa216d7a01abba [2020-12-23 11:15:59,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:15:59,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:15:59,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:15:59,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:15:59,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:15:59,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:15:59" (1/1) ... [2020-12-23 11:15:59,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac7a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:15:59, skipping insertion in model container [2020-12-23 11:15:59,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:15:59" (1/1) ... [2020-12-23 11:15:59,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:15:59,783 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_13205~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_13332~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_13554~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 11:16:00,130 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8690,8703] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~2,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2020-12-23 11:16:00,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:16:00,224 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_13205~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_13332~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_13554~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 11:16:00,307 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8690,8703] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~2,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2020-12-23 11:16:00,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:16:00,398 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:16:00,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00 WrapperNode [2020-12-23 11:16:00,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:16:00,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:16:00,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:16:00,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:16:00,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:16:00,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:16:00,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:16:00,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:16:00,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (1/1) ... [2020-12-23 11:16:00,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:16:00,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:16:00,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:16:00,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:16:00,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (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 11:16:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:16:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:16:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:16:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:16:01,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:16:01,878 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 11:16:01,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:16:01 BoogieIcfgContainer [2020-12-23 11:16:01,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:16:01,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:16:01,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:16:01,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:16:01,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:15:59" (1/3) ... [2020-12-23 11:16:01,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a916301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:16:01, skipping insertion in model container [2020-12-23 11:16:01,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:16:00" (2/3) ... [2020-12-23 11:16:01,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a916301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:16:01, skipping insertion in model container [2020-12-23 11:16:01,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:16:01" (3/3) ... [2020-12-23 11:16:01,891 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 11:16:01,897 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:16:01,903 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 11:16:01,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 11:16:01,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:16:01,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:16:01,950 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:16:01,951 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:16:01,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:16:01,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:16:01,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:16:01,951 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:16:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-12-23 11:16:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 11:16:01,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:01,985 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] [2020-12-23 11:16:01,986 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:01,992 INFO L82 PathProgramCache]: Analyzing trace with hash -822713823, now seen corresponding path program 1 times [2020-12-23 11:16:02,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:02,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074884017] [2020-12-23 11:16:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:02,605 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 11:16:02,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074884017] [2020-12-23 11:16:02,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:02,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:16:02,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447206649] [2020-12-23 11:16:02,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:16:02,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:02,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:16:02,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:02,643 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-12-23 11:16:02,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:02,781 INFO L93 Difference]: Finished difference Result 347 states and 578 transitions. [2020-12-23 11:16:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:16:02,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-23 11:16:02,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:02,800 INFO L225 Difference]: With dead ends: 347 [2020-12-23 11:16:02,800 INFO L226 Difference]: Without dead ends: 267 [2020-12-23 11:16:02,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-12-23 11:16:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 265. [2020-12-23 11:16:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-23 11:16:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 384 transitions. [2020-12-23 11:16:02,894 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 384 transitions. Word has length 90 [2020-12-23 11:16:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:02,895 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 384 transitions. [2020-12-23 11:16:02,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:16:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 384 transitions. [2020-12-23 11:16:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 11:16:02,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:02,899 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] [2020-12-23 11:16:02,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:16:02,900 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1483332975, now seen corresponding path program 1 times [2020-12-23 11:16:02,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:02,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954320742] [2020-12-23 11:16:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:03,152 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 11:16:03,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954320742] [2020-12-23 11:16:03,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:03,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:16:03,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646574709] [2020-12-23 11:16:03,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:16:03,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:03,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:16:03,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:16:03,158 INFO L87 Difference]: Start difference. First operand 265 states and 384 transitions. Second operand 5 states. [2020-12-23 11:16:03,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:03,411 INFO L93 Difference]: Finished difference Result 464 states and 696 transitions. [2020-12-23 11:16:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:03,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 11:16:03,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:03,417 INFO L225 Difference]: With dead ends: 464 [2020-12-23 11:16:03,418 INFO L226 Difference]: Without dead ends: 265 [2020-12-23 11:16:03,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:16:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-12-23 11:16:03,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2020-12-23 11:16:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-23 11:16:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 381 transitions. [2020-12-23 11:16:03,485 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 381 transitions. Word has length 92 [2020-12-23 11:16:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:03,485 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 381 transitions. [2020-12-23 11:16:03,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:16:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 381 transitions. [2020-12-23 11:16:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 11:16:03,492 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:03,492 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] [2020-12-23 11:16:03,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:16:03,492 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:03,496 INFO L82 PathProgramCache]: Analyzing trace with hash -679996500, now seen corresponding path program 1 times [2020-12-23 11:16:03,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:03,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302080813] [2020-12-23 11:16:03,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:03,765 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 11:16:03,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302080813] [2020-12-23 11:16:03,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:03,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:16:03,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143158427] [2020-12-23 11:16:03,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:16:03,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:03,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:16:03,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:16:03,774 INFO L87 Difference]: Start difference. First operand 265 states and 381 transitions. Second operand 6 states. [2020-12-23 11:16:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:04,164 INFO L93 Difference]: Finished difference Result 665 states and 999 transitions. [2020-12-23 11:16:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:04,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-12-23 11:16:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:04,168 INFO L225 Difference]: With dead ends: 665 [2020-12-23 11:16:04,169 INFO L226 Difference]: Without dead ends: 446 [2020-12-23 11:16:04,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:04,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-12-23 11:16:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 444. [2020-12-23 11:16:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-12-23 11:16:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 661 transitions. [2020-12-23 11:16:04,241 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 661 transitions. Word has length 93 [2020-12-23 11:16:04,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:04,241 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 661 transitions. [2020-12-23 11:16:04,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:16:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 661 transitions. [2020-12-23 11:16:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 11:16:04,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:04,250 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] [2020-12-23 11:16:04,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:16:04,253 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:04,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:04,254 INFO L82 PathProgramCache]: Analyzing trace with hash 220884227, now seen corresponding path program 1 times [2020-12-23 11:16:04,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:04,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013751861] [2020-12-23 11:16:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:04,449 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 11:16:04,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013751861] [2020-12-23 11:16:04,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:04,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:16:04,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68884421] [2020-12-23 11:16:04,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:16:04,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:04,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:16:04,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:16:04,456 INFO L87 Difference]: Start difference. First operand 444 states and 661 transitions. Second operand 6 states. [2020-12-23 11:16:04,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:04,770 INFO L93 Difference]: Finished difference Result 1114 states and 1705 transitions. [2020-12-23 11:16:04,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:04,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-12-23 11:16:04,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:04,776 INFO L225 Difference]: With dead ends: 1114 [2020-12-23 11:16:04,776 INFO L226 Difference]: Without dead ends: 732 [2020-12-23 11:16:04,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:04,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-12-23 11:16:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 730. [2020-12-23 11:16:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-12-23 11:16:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1104 transitions. [2020-12-23 11:16:04,832 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1104 transitions. Word has length 94 [2020-12-23 11:16:04,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:04,833 INFO L481 AbstractCegarLoop]: Abstraction has 730 states and 1104 transitions. [2020-12-23 11:16:04,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:16:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1104 transitions. [2020-12-23 11:16:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 11:16:04,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:04,836 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] [2020-12-23 11:16:04,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 11:16:04,836 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1812854412, now seen corresponding path program 1 times [2020-12-23 11:16:04,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:04,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599420346] [2020-12-23 11:16:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:16:05,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599420346] [2020-12-23 11:16:05,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:05,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:16:05,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264873756] [2020-12-23 11:16:05,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:16:05,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:05,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:16:05,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:16:05,007 INFO L87 Difference]: Start difference. First operand 730 states and 1104 transitions. Second operand 6 states. [2020-12-23 11:16:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:05,362 INFO L93 Difference]: Finished difference Result 1992 states and 3064 transitions. [2020-12-23 11:16:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:05,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-12-23 11:16:05,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:05,371 INFO L225 Difference]: With dead ends: 1992 [2020-12-23 11:16:05,371 INFO L226 Difference]: Without dead ends: 1320 [2020-12-23 11:16:05,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:05,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-12-23 11:16:05,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1318. [2020-12-23 11:16:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-12-23 11:16:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 2011 transitions. [2020-12-23 11:16:05,476 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 2011 transitions. Word has length 95 [2020-12-23 11:16:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:05,478 INFO L481 AbstractCegarLoop]: Abstraction has 1318 states and 2011 transitions. [2020-12-23 11:16:05,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:16:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 2011 transitions. [2020-12-23 11:16:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 11:16:05,480 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:05,480 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] [2020-12-23 11:16:05,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 11:16:05,481 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:05,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1555751831, now seen corresponding path program 1 times [2020-12-23 11:16:05,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:05,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500349194] [2020-12-23 11:16:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:05,614 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 11:16:05,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500349194] [2020-12-23 11:16:05,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:05,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:16:05,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365103162] [2020-12-23 11:16:05,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:16:05,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:16:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:16:05,617 INFO L87 Difference]: Start difference. First operand 1318 states and 2011 transitions. Second operand 5 states. [2020-12-23 11:16:06,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:06,006 INFO L93 Difference]: Finished difference Result 2582 states and 3966 transitions. [2020-12-23 11:16:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:06,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2020-12-23 11:16:06,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:06,017 INFO L225 Difference]: With dead ends: 2582 [2020-12-23 11:16:06,017 INFO L226 Difference]: Without dead ends: 1318 [2020-12-23 11:16:06,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:16:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-12-23 11:16:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2020-12-23 11:16:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-12-23 11:16:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1994 transitions. [2020-12-23 11:16:06,179 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1994 transitions. Word has length 96 [2020-12-23 11:16:06,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:06,180 INFO L481 AbstractCegarLoop]: Abstraction has 1318 states and 1994 transitions. [2020-12-23 11:16:06,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:16:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1994 transitions. [2020-12-23 11:16:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 11:16:06,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:06,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:16:06,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 11:16:06,184 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:06,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:06,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1288381152, now seen corresponding path program 1 times [2020-12-23 11:16:06,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:06,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291807095] [2020-12-23 11:16:06,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:06,323 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 11:16:06,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291807095] [2020-12-23 11:16:06,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:06,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:16:06,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662297018] [2020-12-23 11:16:06,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:16:06,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:06,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:16:06,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:16:06,330 INFO L87 Difference]: Start difference. First operand 1318 states and 1994 transitions. Second operand 5 states. [2020-12-23 11:16:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:06,661 INFO L93 Difference]: Finished difference Result 2586 states and 3937 transitions. [2020-12-23 11:16:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:16:06,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 11:16:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:06,670 INFO L225 Difference]: With dead ends: 2586 [2020-12-23 11:16:06,671 INFO L226 Difference]: Without dead ends: 1318 [2020-12-23 11:16:06,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:16:06,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-12-23 11:16:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2020-12-23 11:16:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-12-23 11:16:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1977 transitions. [2020-12-23 11:16:06,792 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1977 transitions. Word has length 97 [2020-12-23 11:16:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:06,792 INFO L481 AbstractCegarLoop]: Abstraction has 1318 states and 1977 transitions. [2020-12-23 11:16:06,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:16:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1977 transitions. [2020-12-23 11:16:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:06,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:06,794 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] [2020-12-23 11:16:06,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 11:16:06,794 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:06,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:06,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1831345451, now seen corresponding path program 1 times [2020-12-23 11:16:06,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:06,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817991427] [2020-12-23 11:16:06,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:06,995 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 11:16:06,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817991427] [2020-12-23 11:16:06,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:06,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:06,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653422648] [2020-12-23 11:16:06,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:06,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:06,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:06,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:06,998 INFO L87 Difference]: Start difference. First operand 1318 states and 1977 transitions. Second operand 8 states. [2020-12-23 11:16:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:08,048 INFO L93 Difference]: Finished difference Result 8176 states and 12428 transitions. [2020-12-23 11:16:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:08,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:08,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:08,087 INFO L225 Difference]: With dead ends: 8176 [2020-12-23 11:16:08,087 INFO L226 Difference]: Without dead ends: 7126 [2020-12-23 11:16:08,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7126 states. [2020-12-23 11:16:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7126 to 1853. [2020-12-23 11:16:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1853 states. [2020-12-23 11:16:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2797 transitions. [2020-12-23 11:16:08,393 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2797 transitions. Word has length 98 [2020-12-23 11:16:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:08,393 INFO L481 AbstractCegarLoop]: Abstraction has 1853 states and 2797 transitions. [2020-12-23 11:16:08,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2797 transitions. [2020-12-23 11:16:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:08,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:08,395 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] [2020-12-23 11:16:08,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 11:16:08,396 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:08,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:08,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1269789971, now seen corresponding path program 1 times [2020-12-23 11:16:08,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:08,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529537374] [2020-12-23 11:16:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:08,572 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 11:16:08,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529537374] [2020-12-23 11:16:08,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:08,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:08,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221209113] [2020-12-23 11:16:08,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:08,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:08,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:08,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:08,574 INFO L87 Difference]: Start difference. First operand 1853 states and 2797 transitions. Second operand 8 states. [2020-12-23 11:16:09,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:09,734 INFO L93 Difference]: Finished difference Result 8562 states and 13024 transitions. [2020-12-23 11:16:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:09,735 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:09,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:09,776 INFO L225 Difference]: With dead ends: 8562 [2020-12-23 11:16:09,776 INFO L226 Difference]: Without dead ends: 7512 [2020-12-23 11:16:09,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:09,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7512 states. [2020-12-23 11:16:10,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7512 to 3045. [2020-12-23 11:16:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3045 states. [2020-12-23 11:16:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4625 transitions. [2020-12-23 11:16:10,274 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4625 transitions. Word has length 98 [2020-12-23 11:16:10,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:10,274 INFO L481 AbstractCegarLoop]: Abstraction has 3045 states and 4625 transitions. [2020-12-23 11:16:10,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4625 transitions. [2020-12-23 11:16:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:10,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:10,277 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] [2020-12-23 11:16:10,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 11:16:10,278 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:10,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2040892797, now seen corresponding path program 1 times [2020-12-23 11:16:10,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:10,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279296248] [2020-12-23 11:16:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:10,421 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 11:16:10,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279296248] [2020-12-23 11:16:10,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:10,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:10,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010625258] [2020-12-23 11:16:10,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:10,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:10,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:10,424 INFO L87 Difference]: Start difference. First operand 3045 states and 4625 transitions. Second operand 8 states. [2020-12-23 11:16:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:11,553 INFO L93 Difference]: Finished difference Result 9026 states and 13736 transitions. [2020-12-23 11:16:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:11,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:11,591 INFO L225 Difference]: With dead ends: 9026 [2020-12-23 11:16:11,591 INFO L226 Difference]: Without dead ends: 7976 [2020-12-23 11:16:11,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states. [2020-12-23 11:16:12,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 3593. [2020-12-23 11:16:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3593 states. [2020-12-23 11:16:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3593 states and 5461 transitions. [2020-12-23 11:16:12,214 INFO L78 Accepts]: Start accepts. Automaton has 3593 states and 5461 transitions. Word has length 98 [2020-12-23 11:16:12,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:12,215 INFO L481 AbstractCegarLoop]: Abstraction has 3593 states and 5461 transitions. [2020-12-23 11:16:12,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3593 states and 5461 transitions. [2020-12-23 11:16:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:12,217 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:12,218 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] [2020-12-23 11:16:12,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:16:12,218 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:12,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:12,219 INFO L82 PathProgramCache]: Analyzing trace with hash 962907459, now seen corresponding path program 1 times [2020-12-23 11:16:12,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:12,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798790522] [2020-12-23 11:16:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:12,289 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 11:16:12,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798790522] [2020-12-23 11:16:12,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:12,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:16:12,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94281129] [2020-12-23 11:16:12,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:16:12,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:12,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:16:12,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:12,292 INFO L87 Difference]: Start difference. First operand 3593 states and 5461 transitions. Second operand 3 states. [2020-12-23 11:16:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:13,286 INFO L93 Difference]: Finished difference Result 9741 states and 14791 transitions. [2020-12-23 11:16:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:16:13,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 11:16:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:13,308 INFO L225 Difference]: With dead ends: 9741 [2020-12-23 11:16:13,309 INFO L226 Difference]: Without dead ends: 6531 [2020-12-23 11:16:13,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6531 states. [2020-12-23 11:16:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6531 to 6433. [2020-12-23 11:16:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6433 states. [2020-12-23 11:16:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6433 states to 6433 states and 9653 transitions. [2020-12-23 11:16:14,346 INFO L78 Accepts]: Start accepts. Automaton has 6433 states and 9653 transitions. Word has length 98 [2020-12-23 11:16:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:14,346 INFO L481 AbstractCegarLoop]: Abstraction has 6433 states and 9653 transitions. [2020-12-23 11:16:14,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:16:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 6433 states and 9653 transitions. [2020-12-23 11:16:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:14,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:14,349 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] [2020-12-23 11:16:14,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:16:14,349 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:14,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:14,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1206985122, now seen corresponding path program 1 times [2020-12-23 11:16:14,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:14,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661057565] [2020-12-23 11:16:14,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:14,431 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 11:16:14,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661057565] [2020-12-23 11:16:14,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:14,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:16:14,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330228612] [2020-12-23 11:16:14,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:16:14,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:14,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:16:14,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:14,434 INFO L87 Difference]: Start difference. First operand 6433 states and 9653 transitions. Second operand 3 states. [2020-12-23 11:16:15,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:15,828 INFO L93 Difference]: Finished difference Result 16517 states and 24807 transitions. [2020-12-23 11:16:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:16:15,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 11:16:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:15,851 INFO L225 Difference]: With dead ends: 16517 [2020-12-23 11:16:15,851 INFO L226 Difference]: Without dead ends: 10467 [2020-12-23 11:16:15,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:16:15,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10467 states. [2020-12-23 11:16:16,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10467 to 10465. [2020-12-23 11:16:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10465 states. [2020-12-23 11:16:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10465 states to 10465 states and 15621 transitions. [2020-12-23 11:16:17,006 INFO L78 Accepts]: Start accepts. Automaton has 10465 states and 15621 transitions. Word has length 98 [2020-12-23 11:16:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:17,006 INFO L481 AbstractCegarLoop]: Abstraction has 10465 states and 15621 transitions. [2020-12-23 11:16:17,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:16:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 10465 states and 15621 transitions. [2020-12-23 11:16:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:17,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:17,009 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] [2020-12-23 11:16:17,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 11:16:17,009 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:17,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1451030825, now seen corresponding path program 1 times [2020-12-23 11:16:17,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:17,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679705436] [2020-12-23 11:16:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:17,166 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 11:16:17,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679705436] [2020-12-23 11:16:17,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:17,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:17,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504633590] [2020-12-23 11:16:17,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:17,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:17,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:17,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:17,169 INFO L87 Difference]: Start difference. First operand 10465 states and 15621 transitions. Second operand 8 states. [2020-12-23 11:16:20,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:20,404 INFO L93 Difference]: Finished difference Result 27994 states and 41886 transitions. [2020-12-23 11:16:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:20,405 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:20,463 INFO L225 Difference]: With dead ends: 27994 [2020-12-23 11:16:20,463 INFO L226 Difference]: Without dead ends: 25000 [2020-12-23 11:16:20,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:20,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25000 states. [2020-12-23 11:16:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25000 to 12523. [2020-12-23 11:16:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12523 states. [2020-12-23 11:16:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12523 states to 12523 states and 18697 transitions. [2020-12-23 11:16:21,936 INFO L78 Accepts]: Start accepts. Automaton has 12523 states and 18697 transitions. Word has length 98 [2020-12-23 11:16:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:21,937 INFO L481 AbstractCegarLoop]: Abstraction has 12523 states and 18697 transitions. [2020-12-23 11:16:21,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states and 18697 transitions. [2020-12-23 11:16:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:21,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:21,939 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] [2020-12-23 11:16:21,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 11:16:21,940 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1964085863, now seen corresponding path program 1 times [2020-12-23 11:16:21,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:21,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862552140] [2020-12-23 11:16:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:22,097 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 11:16:22,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862552140] [2020-12-23 11:16:22,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:22,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:22,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227169728] [2020-12-23 11:16:22,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:22,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:22,100 INFO L87 Difference]: Start difference. First operand 12523 states and 18697 transitions. Second operand 8 states. [2020-12-23 11:16:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:26,004 INFO L93 Difference]: Finished difference Result 30216 states and 45212 transitions. [2020-12-23 11:16:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:26,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:26,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:26,051 INFO L225 Difference]: With dead ends: 30216 [2020-12-23 11:16:26,052 INFO L226 Difference]: Without dead ends: 27222 [2020-12-23 11:16:26,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27222 states. [2020-12-23 11:16:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27222 to 14625. [2020-12-23 11:16:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14625 states. [2020-12-23 11:16:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14625 states to 14625 states and 21841 transitions. [2020-12-23 11:16:28,053 INFO L78 Accepts]: Start accepts. Automaton has 14625 states and 21841 transitions. Word has length 98 [2020-12-23 11:16:28,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:28,054 INFO L481 AbstractCegarLoop]: Abstraction has 14625 states and 21841 transitions. [2020-12-23 11:16:28,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 14625 states and 21841 transitions. [2020-12-23 11:16:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 11:16:28,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:28,057 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] [2020-12-23 11:16:28,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 11:16:28,057 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:28,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:28,057 INFO L82 PathProgramCache]: Analyzing trace with hash -472584635, now seen corresponding path program 1 times [2020-12-23 11:16:28,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:28,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911933279] [2020-12-23 11:16:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:16:28,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911933279] [2020-12-23 11:16:28,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:28,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:28,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158447961] [2020-12-23 11:16:28,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 11:16:28,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:28,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 11:16:28,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 11:16:28,208 INFO L87 Difference]: Start difference. First operand 14625 states and 21841 transitions. Second operand 8 states. [2020-12-23 11:16:32,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:32,054 INFO L93 Difference]: Finished difference Result 32188 states and 48160 transitions. [2020-12-23 11:16:32,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 11:16:32,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-12-23 11:16:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:32,091 INFO L225 Difference]: With dead ends: 32188 [2020-12-23 11:16:32,092 INFO L226 Difference]: Without dead ends: 29194 [2020-12-23 11:16:32,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 11:16:32,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29194 states. [2020-12-23 11:16:34,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29194 to 16693. [2020-12-23 11:16:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16693 states. [2020-12-23 11:16:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16693 states to 16693 states and 24933 transitions. [2020-12-23 11:16:34,618 INFO L78 Accepts]: Start accepts. Automaton has 16693 states and 24933 transitions. Word has length 98 [2020-12-23 11:16:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:34,619 INFO L481 AbstractCegarLoop]: Abstraction has 16693 states and 24933 transitions. [2020-12-23 11:16:34,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 11:16:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 16693 states and 24933 transitions. [2020-12-23 11:16:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 11:16:34,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:34,622 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] [2020-12-23 11:16:34,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 11:16:34,622 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:34,623 INFO L82 PathProgramCache]: Analyzing trace with hash 19008367, now seen corresponding path program 1 times [2020-12-23 11:16:34,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:34,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744753447] [2020-12-23 11:16:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:34,887 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 11:16:34,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744753447] [2020-12-23 11:16:34,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:34,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:16:34,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466068085] [2020-12-23 11:16:34,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:16:34,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:34,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:16:34,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:16:34,890 INFO L87 Difference]: Start difference. First operand 16693 states and 24933 transitions. Second operand 10 states. [2020-12-23 11:16:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:39,685 INFO L93 Difference]: Finished difference Result 41289 states and 61515 transitions. [2020-12-23 11:16:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:16:39,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-12-23 11:16:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:39,711 INFO L225 Difference]: With dead ends: 41289 [2020-12-23 11:16:39,711 INFO L226 Difference]: Without dead ends: 25091 [2020-12-23 11:16:39,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:16:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25091 states. [2020-12-23 11:16:42,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25091 to 16693. [2020-12-23 11:16:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16693 states. [2020-12-23 11:16:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16693 states to 16693 states and 24889 transitions. [2020-12-23 11:16:42,337 INFO L78 Accepts]: Start accepts. Automaton has 16693 states and 24889 transitions. Word has length 99 [2020-12-23 11:16:42,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:42,337 INFO L481 AbstractCegarLoop]: Abstraction has 16693 states and 24889 transitions. [2020-12-23 11:16:42,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:16:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 16693 states and 24889 transitions. [2020-12-23 11:16:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 11:16:42,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:42,340 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] [2020-12-23 11:16:42,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 11:16:42,340 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:42,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:42,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1246450513, now seen corresponding path program 1 times [2020-12-23 11:16:42,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:42,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701131910] [2020-12-23 11:16:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:42,550 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 11:16:42,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701131910] [2020-12-23 11:16:42,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:42,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 11:16:42,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102544974] [2020-12-23 11:16:42,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 11:16:42,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:42,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 11:16:42,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-23 11:16:42,553 INFO L87 Difference]: Start difference. First operand 16693 states and 24889 transitions. Second operand 9 states. [2020-12-23 11:16:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:48,489 INFO L93 Difference]: Finished difference Result 49068 states and 73263 transitions. [2020-12-23 11:16:48,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 11:16:48,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-12-23 11:16:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:48,525 INFO L225 Difference]: With dead ends: 49068 [2020-12-23 11:16:48,525 INFO L226 Difference]: Without dead ends: 32710 [2020-12-23 11:16:48,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-12-23 11:16:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32710 states. [2020-12-23 11:16:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32710 to 16528. [2020-12-23 11:16:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16528 states. [2020-12-23 11:16:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16528 states to 16528 states and 24652 transitions. [2020-12-23 11:16:51,339 INFO L78 Accepts]: Start accepts. Automaton has 16528 states and 24652 transitions. Word has length 100 [2020-12-23 11:16:51,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:51,339 INFO L481 AbstractCegarLoop]: Abstraction has 16528 states and 24652 transitions. [2020-12-23 11:16:51,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 11:16:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 16528 states and 24652 transitions. [2020-12-23 11:16:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 11:16:51,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:51,341 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] [2020-12-23 11:16:51,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 11:16:51,341 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:51,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:51,342 INFO L82 PathProgramCache]: Analyzing trace with hash -922204693, now seen corresponding path program 1 times [2020-12-23 11:16:51,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:51,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526191726] [2020-12-23 11:16:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:51,575 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 11:16:51,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526191726] [2020-12-23 11:16:51,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:51,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:16:51,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815558701] [2020-12-23 11:16:51,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:16:51,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:51,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:16:51,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:16:51,577 INFO L87 Difference]: Start difference. First operand 16528 states and 24652 transitions. Second operand 10 states. [2020-12-23 11:16:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:16:56,204 INFO L93 Difference]: Finished difference Result 35603 states and 53059 transitions. [2020-12-23 11:16:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:16:56,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-12-23 11:16:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:16:56,222 INFO L225 Difference]: With dead ends: 35603 [2020-12-23 11:16:56,222 INFO L226 Difference]: Without dead ends: 19226 [2020-12-23 11:16:56,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:16:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19226 states. [2020-12-23 11:16:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19226 to 16528. [2020-12-23 11:16:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16528 states. [2020-12-23 11:16:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16528 states to 16528 states and 24650 transitions. [2020-12-23 11:16:59,199 INFO L78 Accepts]: Start accepts. Automaton has 16528 states and 24650 transitions. Word has length 100 [2020-12-23 11:16:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:16:59,199 INFO L481 AbstractCegarLoop]: Abstraction has 16528 states and 24650 transitions. [2020-12-23 11:16:59,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:16:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 16528 states and 24650 transitions. [2020-12-23 11:16:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 11:16:59,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:16:59,201 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] [2020-12-23 11:16:59,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 11:16:59,202 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:16:59,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:16:59,202 INFO L82 PathProgramCache]: Analyzing trace with hash -650346524, now seen corresponding path program 1 times [2020-12-23 11:16:59,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:16:59,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249970242] [2020-12-23 11:16:59,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:16:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:16:59,463 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 11:16:59,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249970242] [2020-12-23 11:16:59,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:16:59,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:16:59,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944614517] [2020-12-23 11:16:59,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:16:59,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:16:59,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:16:59,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:16:59,465 INFO L87 Difference]: Start difference. First operand 16528 states and 24650 transitions. Second operand 10 states. [2020-12-23 11:17:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:17:06,839 INFO L93 Difference]: Finished difference Result 49784 states and 74070 transitions. [2020-12-23 11:17:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 11:17:06,839 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-12-23 11:17:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:17:06,875 INFO L225 Difference]: With dead ends: 49784 [2020-12-23 11:17:06,875 INFO L226 Difference]: Without dead ends: 33417 [2020-12-23 11:17:06,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-12-23 11:17:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2020-12-23 11:17:10,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 16528. [2020-12-23 11:17:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16528 states. [2020-12-23 11:17:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16528 states to 16528 states and 24646 transitions. [2020-12-23 11:17:10,165 INFO L78 Accepts]: Start accepts. Automaton has 16528 states and 24646 transitions. Word has length 101 [2020-12-23 11:17:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:17:10,166 INFO L481 AbstractCegarLoop]: Abstraction has 16528 states and 24646 transitions. [2020-12-23 11:17:10,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:17:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16528 states and 24646 transitions. [2020-12-23 11:17:10,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 11:17:10,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:17:10,168 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] [2020-12-23 11:17:10,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 11:17:10,168 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:17:10,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:17:10,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1017088267, now seen corresponding path program 1 times [2020-12-23 11:17:10,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:17:10,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640512816] [2020-12-23 11:17:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:17:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:17:10,490 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 11:17:10,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640512816] [2020-12-23 11:17:10,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:17:10,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 11:17:10,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894427621] [2020-12-23 11:17:10,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 11:17:10,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:17:10,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 11:17:10,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-12-23 11:17:10,493 INFO L87 Difference]: Start difference. First operand 16528 states and 24646 transitions. Second operand 12 states. [2020-12-23 11:17:11,058 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-23 11:17:11,261 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-12-23 11:17:12,438 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-23 11:17:15,631 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-12-23 11:18:37,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:18:37,044 INFO L93 Difference]: Finished difference Result 376777 states and 558996 transitions. [2020-12-23 11:18:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-12-23 11:18:37,045 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2020-12-23 11:18:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:18:37,870 INFO L225 Difference]: With dead ends: 376777 [2020-12-23 11:18:37,871 INFO L226 Difference]: Without dead ends: 360513 [2020-12-23 11:18:38,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=545, Invalid=1905, Unknown=0, NotChecked=0, Total=2450 [2020-12-23 11:18:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360513 states. [2020-12-23 11:18:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360513 to 16540. [2020-12-23 11:18:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16540 states. [2020-12-23 11:18:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16540 states to 16540 states and 24656 transitions. [2020-12-23 11:18:45,605 INFO L78 Accepts]: Start accepts. Automaton has 16540 states and 24656 transitions. Word has length 102 [2020-12-23 11:18:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:18:45,606 INFO L481 AbstractCegarLoop]: Abstraction has 16540 states and 24656 transitions. [2020-12-23 11:18:45,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 11:18:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 16540 states and 24656 transitions. [2020-12-23 11:18:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 11:18:45,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:18:45,607 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] [2020-12-23 11:18:45,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 11:18:45,607 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:18:45,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:18:45,608 INFO L82 PathProgramCache]: Analyzing trace with hash -916891525, now seen corresponding path program 1 times [2020-12-23 11:18:45,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:18:45,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999719706] [2020-12-23 11:18:45,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:18:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:18:45,852 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 11:18:45,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999719706] [2020-12-23 11:18:45,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:18:45,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:18:45,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54509036] [2020-12-23 11:18:45,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:18:45,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:18:45,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:18:45,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:18:45,854 INFO L87 Difference]: Start difference. First operand 16540 states and 24656 transitions. Second operand 10 states. [2020-12-23 11:18:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:18:59,556 INFO L93 Difference]: Finished difference Result 57198 states and 85317 transitions. [2020-12-23 11:18:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 11:18:59,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-12-23 11:18:59,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:18:59,599 INFO L225 Difference]: With dead ends: 57198 [2020-12-23 11:18:59,599 INFO L226 Difference]: Without dead ends: 40964 [2020-12-23 11:18:59,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-12-23 11:18:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40964 states. [2020-12-23 11:19:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40964 to 16540. [2020-12-23 11:19:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16540 states. [2020-12-23 11:19:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16540 states to 16540 states and 24643 transitions. [2020-12-23 11:19:04,769 INFO L78 Accepts]: Start accepts. Automaton has 16540 states and 24643 transitions. Word has length 103 [2020-12-23 11:19:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:19:04,769 INFO L481 AbstractCegarLoop]: Abstraction has 16540 states and 24643 transitions. [2020-12-23 11:19:04,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:19:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16540 states and 24643 transitions. [2020-12-23 11:19:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 11:19:04,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:19:04,771 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] [2020-12-23 11:19:04,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 11:19:04,772 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:19:04,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:19:04,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1323186080, now seen corresponding path program 1 times [2020-12-23 11:19:04,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:19:04,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584922656] [2020-12-23 11:19:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:19:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:19:08,311 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 11:19:08,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584922656] [2020-12-23 11:19:08,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:19:08,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2020-12-23 11:19:08,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999668882] [2020-12-23 11:19:08,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-12-23 11:19:08,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:19:08,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-12-23 11:19:08,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1435, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 11:19:08,314 INFO L87 Difference]: Start difference. First operand 16540 states and 24643 transitions. Second operand 40 states. [2020-12-23 11:19:09,135 WARN L197 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 155 [2020-12-23 11:19:09,857 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-23 11:19:10,079 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-12-23 11:19:10,357 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-23 11:19:10,628 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-12-23 11:19:10,902 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-23 11:19:11,204 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-12-23 11:19:11,516 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-12-23 11:19:11,839 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-23 11:19:12,192 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2020-12-23 11:19:13,107 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-12-23 11:19:13,536 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2020-12-23 11:19:14,053 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2020-12-23 11:19:14,604 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2020-12-23 11:19:15,297 WARN L197 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2020-12-23 11:19:16,070 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2020-12-23 11:19:17,021 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 164 [2020-12-23 11:19:18,150 WARN L197 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 174 [2020-12-23 11:19:19,452 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 182 [2020-12-23 11:19:20,715 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 211 DAG size of output: 189 [2020-12-23 11:19:22,105 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 221 DAG size of output: 199 [2020-12-23 11:19:22,594 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2020-12-23 11:19:23,066 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2020-12-23 11:19:23,416 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-12-23 11:19:23,831 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-12-23 11:19:24,166 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-12-23 11:19:24,472 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-23 11:19:24,774 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2020-12-23 11:19:24,990 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-23 11:19:25,293 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-12-23 11:19:25,816 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-12-23 11:19:26,135 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-23 11:19:26,627 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-23 11:19:27,023 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-23 11:19:27,447 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-23 11:19:27,743 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-23 11:19:28,088 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-12-23 11:19:28,937 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:19:29,525 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 11:19:30,456 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-23 11:19:30,904 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-12-23 11:19:32,156 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-23 11:19:32,743 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:19:33,496 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-23 11:19:33,979 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-23 11:19:44,495 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-12-23 11:19:46,893 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-12-23 11:19:50,587 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57