/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.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:08:10,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:08:10,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:08:10,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:08:10,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:08:10,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:08:10,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:08:10,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:08:10,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:08:10,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:08:10,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:08:10,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:08:10,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:08:10,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:08:10,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:08:10,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:08:10,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:08:10,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:08:10,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:08:10,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:08:10,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:08:10,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:08:10,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:08:10,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:08:10,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 11:08:10,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 11:08:10,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 11:08:10,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 11:08:10,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 11:08:10,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 11:08:10,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:08:10,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:08:10,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:08:10,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:08:10,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:08:10,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:08:10,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:08:10,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:08:10,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:08:10,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:08:10,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:08:10,309 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 11:08:10,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:08:10,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:08:10,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:08:10,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:08:10,349 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:08:10,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:08:10,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:08:10,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:08:10,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:08:10,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:08:10,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:08:10,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:08:10,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:08:10,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:08:10,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:08:10,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:08:10,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:08:10,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:08:10,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:08:10,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:08:10,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:08:10,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:08:10,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:08:10,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:08:10,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:08:10,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:08:10,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:08:10,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:08:10,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:08:10,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:08:10,867 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:08:10,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2020-12-23 11:08:10,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/acd8a7c13/c5649ab3c4ee46349b3cf55cd35fd730/FLAG7840cd58d [2020-12-23 11:08:11,816 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:08:11,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2020-12-23 11:08:11,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/acd8a7c13/c5649ab3c4ee46349b3cf55cd35fd730/FLAG7840cd58d [2020-12-23 11:08:12,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/acd8a7c13/c5649ab3c4ee46349b3cf55cd35fd730 [2020-12-23 11:08:12,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:08:12,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:08:12,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:08:12,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:08:12,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:08:12,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:08:12" (1/1) ... [2020-12-23 11:08:12,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e02efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:12, skipping insertion in model container [2020-12-23 11:08:12,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:08:12" (1/1) ... [2020-12-23 11:08:12,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:08:12,277 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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_999~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] 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__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] 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__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] 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__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1104~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1204~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1306~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:08:12,655 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.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[9872,9885] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] 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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] 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[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] 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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] 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[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] 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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1217~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~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~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] 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_0~2,] 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_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 11:08:12,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:08:12,764 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[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_999~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] 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__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] 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__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] 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__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1104~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_1204~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__return_1306~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~2,] [2020-12-23 11:08:12,905 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.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[9872,9885] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1214_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] 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[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] 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[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] 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[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] 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[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] 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[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_1217~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~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~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~2,] 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_0~2,] 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_0~2,] 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_0~2,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 11:08:12,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:08:13,014 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:08:13,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13 WrapperNode [2020-12-23 11:08:13,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:08:13,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:08:13,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:08:13,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:08:13,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:08:13,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:08:13,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:08:13,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:08:13,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (1/1) ... [2020-12-23 11:08:13,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:08:13,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:08:13,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:08:13,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:08:13,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (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 11:08:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:08:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:08:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:08:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:08:14,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:08:14,880 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 11:08:14,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:08:14 BoogieIcfgContainer [2020-12-23 11:08:14,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:08:14,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:08:14,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:08:14,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:08:14,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:08:12" (1/3) ... [2020-12-23 11:08:14,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc74436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:08:14, skipping insertion in model container [2020-12-23 11:08:14,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:08:13" (2/3) ... [2020-12-23 11:08:14,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc74436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:08:14, skipping insertion in model container [2020-12-23 11:08:14,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:08:14" (3/3) ... [2020-12-23 11:08:14,895 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2020-12-23 11:08:14,904 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:08:14,911 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 11:08:14,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 11:08:14,972 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:08:14,972 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:08:14,973 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:08:14,973 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:08:14,973 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:08:14,973 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:08:14,973 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:08:14,974 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:08:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-12-23 11:08:15,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 11:08:15,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:15,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:15,017 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:15,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:15,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1369000833, now seen corresponding path program 1 times [2020-12-23 11:08:15,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:15,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560442594] [2020-12-23 11:08:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:15,466 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 11:08:15,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560442594] [2020-12-23 11:08:15,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:15,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:08:15,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116841540] [2020-12-23 11:08:15,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 11:08:15,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:15,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 11:08:15,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 11:08:15,505 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-12-23 11:08:15,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:15,775 INFO L93 Difference]: Finished difference Result 403 states and 654 transitions. [2020-12-23 11:08:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:08:15,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2020-12-23 11:08:15,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:15,796 INFO L225 Difference]: With dead ends: 403 [2020-12-23 11:08:15,796 INFO L226 Difference]: Without dead ends: 212 [2020-12-23 11:08:15,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:08:15,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-23 11:08:15,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-12-23 11:08:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-12-23 11:08:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 317 transitions. [2020-12-23 11:08:15,890 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 317 transitions. Word has length 79 [2020-12-23 11:08:15,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:15,890 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 317 transitions. [2020-12-23 11:08:15,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 11:08:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2020-12-23 11:08:15,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 11:08:15,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:15,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:15,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:08:15,898 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:15,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:15,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1406572509, now seen corresponding path program 1 times [2020-12-23 11:08:15,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:15,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548495984] [2020-12-23 11:08:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:16,223 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 11:08:16,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548495984] [2020-12-23 11:08:16,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:16,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:16,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507593161] [2020-12-23 11:08:16,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:16,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:16,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:16,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:16,230 INFO L87 Difference]: Start difference. First operand 212 states and 317 transitions. Second operand 3 states. [2020-12-23 11:08:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:16,312 INFO L93 Difference]: Finished difference Result 480 states and 743 transitions. [2020-12-23 11:08:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:16,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 11:08:16,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:16,318 INFO L225 Difference]: With dead ends: 480 [2020-12-23 11:08:16,318 INFO L226 Difference]: Without dead ends: 309 [2020-12-23 11:08:16,321 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 11:08:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-12-23 11:08:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2020-12-23 11:08:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-23 11:08:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 467 transitions. [2020-12-23 11:08:16,411 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 467 transitions. Word has length 109 [2020-12-23 11:08:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:16,412 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 467 transitions. [2020-12-23 11:08:16,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 467 transitions. [2020-12-23 11:08:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 11:08:16,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:16,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:16,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 11:08:16,428 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:16,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1105344852, now seen corresponding path program 1 times [2020-12-23 11:08:16,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:16,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218413861] [2020-12-23 11:08:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:16,640 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 11:08:16,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218413861] [2020-12-23 11:08:16,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:16,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:16,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292410780] [2020-12-23 11:08:16,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:16,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:16,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:16,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:16,654 INFO L87 Difference]: Start difference. First operand 307 states and 467 transitions. Second operand 3 states. [2020-12-23 11:08:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:16,802 INFO L93 Difference]: Finished difference Result 735 states and 1148 transitions. [2020-12-23 11:08:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:16,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 11:08:16,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:16,818 INFO L225 Difference]: With dead ends: 735 [2020-12-23 11:08:16,818 INFO L226 Difference]: Without dead ends: 475 [2020-12-23 11:08:16,826 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 11:08:16,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-12-23 11:08:16,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2020-12-23 11:08:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-12-23 11:08:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 729 transitions. [2020-12-23 11:08:16,890 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 729 transitions. Word has length 111 [2020-12-23 11:08:16,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:16,894 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 729 transitions. [2020-12-23 11:08:16,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 729 transitions. [2020-12-23 11:08:16,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 11:08:16,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:16,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:16,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 11:08:16,908 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:16,912 INFO L82 PathProgramCache]: Analyzing trace with hash 287285005, now seen corresponding path program 1 times [2020-12-23 11:08:16,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:16,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452549421] [2020-12-23 11:08:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:17,054 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 11:08:17,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452549421] [2020-12-23 11:08:17,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:17,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:17,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248177916] [2020-12-23 11:08:17,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:17,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:17,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:17,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:17,058 INFO L87 Difference]: Start difference. First operand 473 states and 729 transitions. Second operand 3 states. [2020-12-23 11:08:17,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:17,124 INFO L93 Difference]: Finished difference Result 1175 states and 1844 transitions. [2020-12-23 11:08:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:17,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 11:08:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:17,130 INFO L225 Difference]: With dead ends: 1175 [2020-12-23 11:08:17,130 INFO L226 Difference]: Without dead ends: 755 [2020-12-23 11:08:17,132 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 11:08:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-12-23 11:08:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 753. [2020-12-23 11:08:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-12-23 11:08:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1169 transitions. [2020-12-23 11:08:17,178 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1169 transitions. Word has length 113 [2020-12-23 11:08:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:17,179 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1169 transitions. [2020-12-23 11:08:17,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1169 transitions. [2020-12-23 11:08:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 11:08:17,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:17,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:17,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 11:08:17,183 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:17,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:17,184 INFO L82 PathProgramCache]: Analyzing trace with hash 155565224, now seen corresponding path program 1 times [2020-12-23 11:08:17,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:17,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208925612] [2020-12-23 11:08:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:17,322 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 11:08:17,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208925612] [2020-12-23 11:08:17,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:17,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:17,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253853728] [2020-12-23 11:08:17,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:17,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:17,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:17,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:17,326 INFO L87 Difference]: Start difference. First operand 753 states and 1169 transitions. Second operand 3 states. [2020-12-23 11:08:17,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:17,408 INFO L93 Difference]: Finished difference Result 1901 states and 2984 transitions. [2020-12-23 11:08:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:17,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 11:08:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:17,416 INFO L225 Difference]: With dead ends: 1901 [2020-12-23 11:08:17,416 INFO L226 Difference]: Without dead ends: 1207 [2020-12-23 11:08:17,418 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 11:08:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-12-23 11:08:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2020-12-23 11:08:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-12-23 11:08:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1873 transitions. [2020-12-23 11:08:17,484 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1873 transitions. Word has length 115 [2020-12-23 11:08:17,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:17,485 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 1873 transitions. [2020-12-23 11:08:17,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:17,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1873 transitions. [2020-12-23 11:08:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 11:08:17,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:17,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:17,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 11:08:17,491 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:17,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2047962190, now seen corresponding path program 1 times [2020-12-23 11:08:17,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:17,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604153323] [2020-12-23 11:08:17,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:17,601 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 11:08:17,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604153323] [2020-12-23 11:08:17,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:17,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:17,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231217505] [2020-12-23 11:08:17,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:17,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:17,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:17,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:17,606 INFO L87 Difference]: Start difference. First operand 1205 states and 1873 transitions. Second operand 3 states. [2020-12-23 11:08:17,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:17,755 INFO L93 Difference]: Finished difference Result 3031 states and 4736 transitions. [2020-12-23 11:08:17,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:17,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 11:08:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:17,768 INFO L225 Difference]: With dead ends: 3031 [2020-12-23 11:08:17,768 INFO L226 Difference]: Without dead ends: 1891 [2020-12-23 11:08:17,770 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 11:08:17,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2020-12-23 11:08:17,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1889. [2020-12-23 11:08:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1889 states. [2020-12-23 11:08:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2921 transitions. [2020-12-23 11:08:17,897 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2921 transitions. Word has length 117 [2020-12-23 11:08:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:17,897 INFO L481 AbstractCegarLoop]: Abstraction has 1889 states and 2921 transitions. [2020-12-23 11:08:17,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2921 transitions. [2020-12-23 11:08:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:17,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:17,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:17,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 11:08:17,905 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:17,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1115406563, now seen corresponding path program 1 times [2020-12-23 11:08:17,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:17,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297764737] [2020-12-23 11:08:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:18,057 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 11:08:18,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297764737] [2020-12-23 11:08:18,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:18,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:18,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775622474] [2020-12-23 11:08:18,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:18,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:18,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:18,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:18,063 INFO L87 Difference]: Start difference. First operand 1889 states and 2921 transitions. Second operand 3 states. [2020-12-23 11:08:18,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:18,704 INFO L93 Difference]: Finished difference Result 5239 states and 8118 transitions. [2020-12-23 11:08:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:18,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-23 11:08:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:18,734 INFO L225 Difference]: With dead ends: 5239 [2020-12-23 11:08:18,735 INFO L226 Difference]: Without dead ends: 3715 [2020-12-23 11:08:18,744 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 11:08:18,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2020-12-23 11:08:19,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3713. [2020-12-23 11:08:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3713 states. [2020-12-23 11:08:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3713 states and 5738 transitions. [2020-12-23 11:08:19,087 INFO L78 Accepts]: Start accepts. Automaton has 3713 states and 5738 transitions. Word has length 119 [2020-12-23 11:08:19,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:19,089 INFO L481 AbstractCegarLoop]: Abstraction has 3713 states and 5738 transitions. [2020-12-23 11:08:19,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 5738 transitions. [2020-12-23 11:08:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:19,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:19,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:19,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 11:08:19,103 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:19,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1243491870, now seen corresponding path program 1 times [2020-12-23 11:08:19,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:19,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88452225] [2020-12-23 11:08:19,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:19,288 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 11:08:19,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88452225] [2020-12-23 11:08:19,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:19,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:08:19,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971192737] [2020-12-23 11:08:19,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:08:19,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:19,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:08:19,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:08:19,292 INFO L87 Difference]: Start difference. First operand 3713 states and 5738 transitions. Second operand 6 states. [2020-12-23 11:08:20,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:20,046 INFO L93 Difference]: Finished difference Result 10394 states and 16059 transitions. [2020-12-23 11:08:20,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:08:20,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-12-23 11:08:20,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:20,085 INFO L225 Difference]: With dead ends: 10394 [2020-12-23 11:08:20,086 INFO L226 Difference]: Without dead ends: 6720 [2020-12-23 11:08:20,093 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 11:08:20,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6720 states. [2020-12-23 11:08:20,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6720 to 6718. [2020-12-23 11:08:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6718 states. [2020-12-23 11:08:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6718 states to 6718 states and 10326 transitions. [2020-12-23 11:08:20,665 INFO L78 Accepts]: Start accepts. Automaton has 6718 states and 10326 transitions. Word has length 119 [2020-12-23 11:08:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:20,666 INFO L481 AbstractCegarLoop]: Abstraction has 6718 states and 10326 transitions. [2020-12-23 11:08:20,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:08:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 6718 states and 10326 transitions. [2020-12-23 11:08:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:20,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:20,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:20,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 11:08:20,686 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1288765378, now seen corresponding path program 1 times [2020-12-23 11:08:20,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:20,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380454038] [2020-12-23 11:08:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:20,832 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 11:08:20,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380454038] [2020-12-23 11:08:20,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:20,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 11:08:20,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485731580] [2020-12-23 11:08:20,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 11:08:20,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:20,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 11:08:20,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 11:08:20,849 INFO L87 Difference]: Start difference. First operand 6718 states and 10326 transitions. Second operand 6 states. [2020-12-23 11:08:22,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:22,019 INFO L93 Difference]: Finished difference Result 18881 states and 28965 transitions. [2020-12-23 11:08:22,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:08:22,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-12-23 11:08:22,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:22,091 INFO L225 Difference]: With dead ends: 18881 [2020-12-23 11:08:22,091 INFO L226 Difference]: Without dead ends: 12232 [2020-12-23 11:08:22,106 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 11:08:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12232 states. [2020-12-23 11:08:23,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12232 to 12230. [2020-12-23 11:08:23,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12230 states. [2020-12-23 11:08:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12230 states to 12230 states and 18628 transitions. [2020-12-23 11:08:23,236 INFO L78 Accepts]: Start accepts. Automaton has 12230 states and 18628 transitions. Word has length 119 [2020-12-23 11:08:23,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:23,237 INFO L481 AbstractCegarLoop]: Abstraction has 12230 states and 18628 transitions. [2020-12-23 11:08:23,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 11:08:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12230 states and 18628 transitions. [2020-12-23 11:08:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:23,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:23,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:23,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 11:08:23,270 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:23,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:23,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1939525086, now seen corresponding path program 1 times [2020-12-23 11:08:23,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:23,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674202902] [2020-12-23 11:08:23,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:23,413 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 11:08:23,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674202902] [2020-12-23 11:08:23,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:23,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:08:23,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262260364] [2020-12-23 11:08:23,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:08:23,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:23,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:08:23,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:08:23,421 INFO L87 Difference]: Start difference. First operand 12230 states and 18628 transitions. Second operand 5 states. [2020-12-23 11:08:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:24,829 INFO L93 Difference]: Finished difference Result 24403 states and 37192 transitions. [2020-12-23 11:08:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:08:24,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-12-23 11:08:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:24,883 INFO L225 Difference]: With dead ends: 24403 [2020-12-23 11:08:24,884 INFO L226 Difference]: Without dead ends: 12230 [2020-12-23 11:08:24,901 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 11:08:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12230 states. [2020-12-23 11:08:25,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12230 to 12230. [2020-12-23 11:08:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12230 states. [2020-12-23 11:08:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12230 states to 12230 states and 18486 transitions. [2020-12-23 11:08:25,847 INFO L78 Accepts]: Start accepts. Automaton has 12230 states and 18486 transitions. Word has length 119 [2020-12-23 11:08:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:25,848 INFO L481 AbstractCegarLoop]: Abstraction has 12230 states and 18486 transitions. [2020-12-23 11:08:25,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:08:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12230 states and 18486 transitions. [2020-12-23 11:08:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:25,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:25,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:25,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:08:25,886 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:25,887 INFO L82 PathProgramCache]: Analyzing trace with hash -529000084, now seen corresponding path program 1 times [2020-12-23 11:08:25,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:25,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494470473] [2020-12-23 11:08:25,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:26,048 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 11:08:26,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494470473] [2020-12-23 11:08:26,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:26,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 11:08:26,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022487714] [2020-12-23 11:08:26,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 11:08:26,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:26,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 11:08:26,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 11:08:26,054 INFO L87 Difference]: Start difference. First operand 12230 states and 18486 transitions. Second operand 5 states. [2020-12-23 11:08:26,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:26,908 INFO L93 Difference]: Finished difference Result 17727 states and 26811 transitions. [2020-12-23 11:08:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 11:08:26,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-12-23 11:08:26,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:26,929 INFO L225 Difference]: With dead ends: 17727 [2020-12-23 11:08:26,929 INFO L226 Difference]: Without dead ends: 6172 [2020-12-23 11:08:26,947 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 11:08:26,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2020-12-23 11:08:27,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6172. [2020-12-23 11:08:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6172 states. [2020-12-23 11:08:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 9300 transitions. [2020-12-23 11:08:27,594 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 9300 transitions. Word has length 119 [2020-12-23 11:08:27,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:27,595 INFO L481 AbstractCegarLoop]: Abstraction has 6172 states and 9300 transitions. [2020-12-23 11:08:27,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 11:08:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 9300 transitions. [2020-12-23 11:08:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 11:08:27,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:27,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:27,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 11:08:27,617 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:27,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:27,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1387267810, now seen corresponding path program 1 times [2020-12-23 11:08:27,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:27,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384678714] [2020-12-23 11:08:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:27,857 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 11:08:27,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384678714] [2020-12-23 11:08:27,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:27,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:08:27,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969116788] [2020-12-23 11:08:27,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:08:27,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:27,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:08:27,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:08:27,862 INFO L87 Difference]: Start difference. First operand 6172 states and 9300 transitions. Second operand 7 states. [2020-12-23 11:08:31,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:31,391 INFO L93 Difference]: Finished difference Result 59265 states and 88879 transitions. [2020-12-23 11:08:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 11:08:31,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-12-23 11:08:31,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:31,512 INFO L225 Difference]: With dead ends: 59265 [2020-12-23 11:08:31,512 INFO L226 Difference]: Without dead ends: 53164 [2020-12-23 11:08:31,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-12-23 11:08:31,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53164 states. [2020-12-23 11:08:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53164 to 12135. [2020-12-23 11:08:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12135 states. [2020-12-23 11:08:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12135 states to 12135 states and 17900 transitions. [2020-12-23 11:08:33,490 INFO L78 Accepts]: Start accepts. Automaton has 12135 states and 17900 transitions. Word has length 119 [2020-12-23 11:08:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:33,490 INFO L481 AbstractCegarLoop]: Abstraction has 12135 states and 17900 transitions. [2020-12-23 11:08:33,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 11:08:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 12135 states and 17900 transitions. [2020-12-23 11:08:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:08:33,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:33,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:33,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 11:08:33,521 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:33,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:33,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1816909586, now seen corresponding path program 1 times [2020-12-23 11:08:33,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:33,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590655607] [2020-12-23 11:08:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:33,615 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 11:08:33,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590655607] [2020-12-23 11:08:33,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:33,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:33,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421780663] [2020-12-23 11:08:33,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:33,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:33,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:33,618 INFO L87 Difference]: Start difference. First operand 12135 states and 17900 transitions. Second operand 3 states. [2020-12-23 11:08:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:35,085 INFO L93 Difference]: Finished difference Result 26518 states and 39051 transitions. [2020-12-23 11:08:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:35,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-23 11:08:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:35,114 INFO L225 Difference]: With dead ends: 26518 [2020-12-23 11:08:35,114 INFO L226 Difference]: Without dead ends: 14452 [2020-12-23 11:08:35,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 11:08:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14452 states. [2020-12-23 11:08:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14452 to 14450. [2020-12-23 11:08:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14450 states. [2020-12-23 11:08:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14450 states to 14450 states and 21059 transitions. [2020-12-23 11:08:36,751 INFO L78 Accepts]: Start accepts. Automaton has 14450 states and 21059 transitions. Word has length 123 [2020-12-23 11:08:36,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:36,751 INFO L481 AbstractCegarLoop]: Abstraction has 14450 states and 21059 transitions. [2020-12-23 11:08:36,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 14450 states and 21059 transitions. [2020-12-23 11:08:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:08:36,776 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:36,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:36,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 11:08:36,777 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:36,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:36,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1442440817, now seen corresponding path program 1 times [2020-12-23 11:08:36,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:36,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100596676] [2020-12-23 11:08:36,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:36,866 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 11:08:36,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100596676] [2020-12-23 11:08:36,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:36,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 11:08:36,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429824071] [2020-12-23 11:08:36,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 11:08:36,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:36,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 11:08:36,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 11:08:36,870 INFO L87 Difference]: Start difference. First operand 14450 states and 21059 transitions. Second operand 3 states. [2020-12-23 11:08:39,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:39,087 INFO L93 Difference]: Finished difference Result 41499 states and 60264 transitions. [2020-12-23 11:08:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 11:08:39,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-23 11:08:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:39,140 INFO L225 Difference]: With dead ends: 41499 [2020-12-23 11:08:39,141 INFO L226 Difference]: Without dead ends: 28609 [2020-12-23 11:08:39,165 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 11:08:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28609 states. [2020-12-23 11:08:41,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28609 to 28607. [2020-12-23 11:08:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28607 states. [2020-12-23 11:08:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28607 states to 28607 states and 41364 transitions. [2020-12-23 11:08:41,851 INFO L78 Accepts]: Start accepts. Automaton has 28607 states and 41364 transitions. Word has length 123 [2020-12-23 11:08:41,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:41,851 INFO L481 AbstractCegarLoop]: Abstraction has 28607 states and 41364 transitions. [2020-12-23 11:08:41,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 11:08:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 28607 states and 41364 transitions. [2020-12-23 11:08:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:08:41,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:41,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:41,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 11:08:41,885 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:41,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:41,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1578658474, now seen corresponding path program 1 times [2020-12-23 11:08:41,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:41,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426229686] [2020-12-23 11:08:41,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:42,061 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 11:08:42,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426229686] [2020-12-23 11:08:42,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:42,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:08:42,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131795149] [2020-12-23 11:08:42,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:08:42,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:42,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:08:42,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:08:42,064 INFO L87 Difference]: Start difference. First operand 28607 states and 41364 transitions. Second operand 7 states. [2020-12-23 11:08:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:08:52,128 INFO L93 Difference]: Finished difference Result 161077 states and 232494 transitions. [2020-12-23 11:08:52,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 11:08:52,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-12-23 11:08:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:08:52,556 INFO L225 Difference]: With dead ends: 161077 [2020-12-23 11:08:52,556 INFO L226 Difference]: Without dead ends: 136611 [2020-12-23 11:08:52,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:08:52,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136611 states. [2020-12-23 11:08:58,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136611 to 53935. [2020-12-23 11:08:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53935 states. [2020-12-23 11:08:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53935 states to 53935 states and 77464 transitions. [2020-12-23 11:08:58,263 INFO L78 Accepts]: Start accepts. Automaton has 53935 states and 77464 transitions. Word has length 123 [2020-12-23 11:08:58,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:08:58,263 INFO L481 AbstractCegarLoop]: Abstraction has 53935 states and 77464 transitions. [2020-12-23 11:08:58,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 11:08:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 53935 states and 77464 transitions. [2020-12-23 11:08:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:08:58,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:08:58,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:08:58,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 11:08:58,324 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:08:58,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:08:58,325 INFO L82 PathProgramCache]: Analyzing trace with hash -210295029, now seen corresponding path program 1 times [2020-12-23 11:08:58,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:08:58,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143973131] [2020-12-23 11:08:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:08:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:08:58,642 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 11:08:58,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143973131] [2020-12-23 11:08:58,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:08:58,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:08:58,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783123426] [2020-12-23 11:08:58,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:08:58,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:08:58,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:08:58,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:08:58,645 INFO L87 Difference]: Start difference. First operand 53935 states and 77464 transitions. Second operand 7 states. [2020-12-23 11:09:12,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:09:12,516 INFO L93 Difference]: Finished difference Result 185637 states and 267590 transitions. [2020-12-23 11:09:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 11:09:12,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-12-23 11:09:12,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:09:13,009 INFO L225 Difference]: With dead ends: 185637 [2020-12-23 11:09:13,009 INFO L226 Difference]: Without dead ends: 161219 [2020-12-23 11:09:13,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:09:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161219 states. [2020-12-23 11:09:22,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161219 to 91411. [2020-12-23 11:09:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91411 states. [2020-12-23 11:09:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91411 states to 91411 states and 130864 transitions. [2020-12-23 11:09:22,230 INFO L78 Accepts]: Start accepts. Automaton has 91411 states and 130864 transitions. Word has length 123 [2020-12-23 11:09:22,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:09:22,230 INFO L481 AbstractCegarLoop]: Abstraction has 91411 states and 130864 transitions. [2020-12-23 11:09:22,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 11:09:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 91411 states and 130864 transitions. [2020-12-23 11:09:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:09:22,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:09:22,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:09:22,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 11:09:22,314 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:09:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:09:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1427174444, now seen corresponding path program 1 times [2020-12-23 11:09:22,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:09:22,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249926462] [2020-12-23 11:09:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:09:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:09:22,475 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 11:09:22,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249926462] [2020-12-23 11:09:22,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:09:22,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:09:22,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499613023] [2020-12-23 11:09:22,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:09:22,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:09:22,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:09:22,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:09:22,478 INFO L87 Difference]: Start difference. First operand 91411 states and 130864 transitions. Second operand 7 states. [2020-12-23 11:09:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:09:38,606 INFO L93 Difference]: Finished difference Result 210683 states and 303368 transitions. [2020-12-23 11:09:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 11:09:38,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-12-23 11:09:38,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:09:39,108 INFO L225 Difference]: With dead ends: 210683 [2020-12-23 11:09:39,109 INFO L226 Difference]: Without dead ends: 186217 [2020-12-23 11:09:39,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:09:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186217 states. [2020-12-23 11:09:50,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186217 to 116813. [2020-12-23 11:09:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116813 states. [2020-12-23 11:09:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116813 states to 116813 states and 167174 transitions. [2020-12-23 11:09:51,151 INFO L78 Accepts]: Start accepts. Automaton has 116813 states and 167174 transitions. Word has length 123 [2020-12-23 11:09:51,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:09:51,152 INFO L481 AbstractCegarLoop]: Abstraction has 116813 states and 167174 transitions. [2020-12-23 11:09:51,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 11:09:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 116813 states and 167174 transitions. [2020-12-23 11:09:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:09:51,233 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:09:51,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:09:51,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 11:09:51,233 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:09:51,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:09:51,234 INFO L82 PathProgramCache]: Analyzing trace with hash 758673487, now seen corresponding path program 1 times [2020-12-23 11:09:51,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:09:51,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183948018] [2020-12-23 11:09:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:09:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:09:51,792 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 11:09:51,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183948018] [2020-12-23 11:09:51,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:09:51,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:09:51,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971430943] [2020-12-23 11:09:51,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:09:51,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:09:51,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:09:51,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:09:51,797 INFO L87 Difference]: Start difference. First operand 116813 states and 167174 transitions. Second operand 7 states. [2020-12-23 11:10:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:10:11,831 INFO L93 Difference]: Finished difference Result 235981 states and 339520 transitions. [2020-12-23 11:10:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 11:10:11,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-12-23 11:10:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:10:12,442 INFO L225 Difference]: With dead ends: 235981 [2020-12-23 11:10:12,443 INFO L226 Difference]: Without dead ends: 211515 [2020-12-23 11:10:12,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 11:10:12,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211515 states. [2020-12-23 11:10:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211515 to 142233. [2020-12-23 11:10:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142233 states. [2020-12-23 11:10:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142233 states to 142233 states and 203512 transitions. [2020-12-23 11:10:27,657 INFO L78 Accepts]: Start accepts. Automaton has 142233 states and 203512 transitions. Word has length 123 [2020-12-23 11:10:27,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:10:27,657 INFO L481 AbstractCegarLoop]: Abstraction has 142233 states and 203512 transitions. [2020-12-23 11:10:27,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 11:10:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 142233 states and 203512 transitions. [2020-12-23 11:10:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 11:10:27,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:10:27,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:27,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 11:10:27,755 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:10:27,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:10:27,755 INFO L82 PathProgramCache]: Analyzing trace with hash 151814446, now seen corresponding path program 1 times [2020-12-23 11:10:27,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:10:27,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130085148] [2020-12-23 11:10:27,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:10:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:10:27,898 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 11:10:27,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130085148] [2020-12-23 11:10:27,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:10:27,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 11:10:27,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133208453] [2020-12-23 11:10:27,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 11:10:27,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:10:27,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 11:10:27,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 11:10:27,900 INFO L87 Difference]: Start difference. First operand 142233 states and 203512 transitions. Second operand 7 states.