/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:58:07,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:58:07,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:58:07,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:58:07,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:58:07,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:58:07,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:58:07,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:58:07,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:58:07,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:58:07,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:58:07,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:58:07,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:58:07,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:58:07,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:58:07,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:58:07,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:58:07,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:58:07,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:58:07,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:58:07,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:58:07,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:58:07,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:58:07,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:58:07,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:58:07,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:58:07,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:58:07,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:58:07,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:58:07,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:58:07,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:58:07,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:58:07,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:58:07,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:58:07,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:58:07,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:58:07,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:58:07,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:58:07,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:58:07,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:58:07,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:58:07,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 10:58:07,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:58:07,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:58:07,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:58:07,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:58:07,274 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:58:07,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:58:07,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:58:07,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:58:07,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:58:07,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:58:07,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:58:07,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:58:07,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:58:07,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:58:07,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:58:07,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:58:07,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:58:07,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:58:07,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:58:07,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:58:07,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:58:07,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:58:07,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:58:07,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:58:07,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:58:07,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:58:07,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:58:07,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:58:07,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:58:07,774 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:58:07,774 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:58:07,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:58:07,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7fe279827/765839db91e84cd9a0b7188e3fdea528/FLAGfef6e1035 [2020-12-23 10:58:08,545 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:58:08,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:58:08,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7fe279827/765839db91e84cd9a0b7188e3fdea528/FLAGfef6e1035 [2020-12-23 10:58:08,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7fe279827/765839db91e84cd9a0b7188e3fdea528 [2020-12-23 10:58:08,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:58:08,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:58:08,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:58:08,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:58:08,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:58:08,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:58:08" (1/1) ... [2020-12-23 10:58:08,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5713b65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:08, skipping insertion in model container [2020-12-23 10:58:08,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:58:08" (1/1) ... [2020-12-23 10:58:08,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:58:08,926 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_104949~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_105089~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_105309~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:58:09,371 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9464,9477] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] 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[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2020-12-23 10:58:09,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:58:09,499 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~alive6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_104949~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_105089~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~node6__m6~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__return_105309~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~1,] [2020-12-23 10:58:09,596 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9464,9477] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1__m1~2,] left hand side expression in assignment: lhs: VariableLHS[~p6_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~node2__m2~2,] left hand side expression in assignment: lhs: VariableLHS[~p1_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~node3__m3~2,] left hand side expression in assignment: lhs: VariableLHS[~p2_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~node4__m4~2,] left hand side expression in assignment: lhs: VariableLHS[~p3_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~node5__m5~2,] left hand side expression in assignment: lhs: VariableLHS[~p4_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p1_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~st6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~0,] 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[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~send1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p6_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node6____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p5_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node5____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p4_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p3_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~p2_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] [2020-12-23 10:58:09,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:58:09,751 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:58:09,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09 WrapperNode [2020-12-23 10:58:09,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:58:09,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:58:09,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:58:09,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:58:09,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:58:09,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:58:09,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:58:09,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:58:09,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:09,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... [2020-12-23 10:58:10,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:58:10,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:58:10,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:58:10,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:58:10,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:58:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:58:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:58:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:58:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:58:11,386 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:58:11,386 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:58:11,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:58:11 BoogieIcfgContainer [2020-12-23 10:58:11,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:58:11,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:58:11,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:58:11,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:58:11,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:58:08" (1/3) ... [2020-12-23 10:58:11,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ab772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:58:11, skipping insertion in model container [2020-12-23 10:58:11,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:58:09" (2/3) ... [2020-12-23 10:58:11,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ab772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:58:11, skipping insertion in model container [2020-12-23 10:58:11,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:58:11" (3/3) ... [2020-12-23 10:58:11,398 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2020-12-23 10:58:11,405 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:58:11,410 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:58:11,430 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:58:11,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:58:11,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:58:11,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:58:11,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:58:11,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:58:11,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:58:11,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:58:11,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:58:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states. [2020-12-23 10:58:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 10:58:11,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:11,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:11,496 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:11,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:11,503 INFO L82 PathProgramCache]: Analyzing trace with hash -678392844, now seen corresponding path program 1 times [2020-12-23 10:58:11,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:11,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932351821] [2020-12-23 10:58:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:12,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932351821] [2020-12-23 10:58:12,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:12,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:58:12,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096038521] [2020-12-23 10:58:12,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:58:12,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:12,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:58:12,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:58:12,050 INFO L87 Difference]: Start difference. First operand 249 states. Second operand 3 states. [2020-12-23 10:58:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:12,199 INFO L93 Difference]: Finished difference Result 502 states and 831 transitions. [2020-12-23 10:58:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:58:12,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 10:58:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:12,221 INFO L225 Difference]: With dead ends: 502 [2020-12-23 10:58:12,221 INFO L226 Difference]: Without dead ends: 381 [2020-12-23 10:58:12,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:58:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-12-23 10:58:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 379. [2020-12-23 10:58:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-12-23 10:58:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 569 transitions. [2020-12-23 10:58:12,325 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 569 transitions. Word has length 95 [2020-12-23 10:58:12,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:12,330 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 569 transitions. [2020-12-23 10:58:12,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:58:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 569 transitions. [2020-12-23 10:58:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 10:58:12,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:12,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:12,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:58:12,341 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:12,343 INFO L82 PathProgramCache]: Analyzing trace with hash 118593259, now seen corresponding path program 1 times [2020-12-23 10:58:12,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:12,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261403492] [2020-12-23 10:58:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:12,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261403492] [2020-12-23 10:58:12,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:12,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 10:58:12,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65338193] [2020-12-23 10:58:12,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 10:58:12,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:12,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 10:58:12,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:58:12,856 INFO L87 Difference]: Start difference. First operand 379 states and 569 transitions. Second operand 8 states. [2020-12-23 10:58:13,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:13,402 INFO L93 Difference]: Finished difference Result 1894 states and 2947 transitions. [2020-12-23 10:58:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 10:58:13,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-12-23 10:58:13,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:13,413 INFO L225 Difference]: With dead ends: 1894 [2020-12-23 10:58:13,413 INFO L226 Difference]: Without dead ends: 1610 [2020-12-23 10:58:13,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:58:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2020-12-23 10:58:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1600. [2020-12-23 10:58:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1600 states. [2020-12-23 10:58:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2483 transitions. [2020-12-23 10:58:13,553 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2483 transitions. Word has length 96 [2020-12-23 10:58:13,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:13,556 INFO L481 AbstractCegarLoop]: Abstraction has 1600 states and 2483 transitions. [2020-12-23 10:58:13,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 10:58:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2483 transitions. [2020-12-23 10:58:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:58:13,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:13,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:13,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:58:13,572 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 372250457, now seen corresponding path program 1 times [2020-12-23 10:58:13,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:13,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789273972] [2020-12-23 10:58:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:13,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789273972] [2020-12-23 10:58:13,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:13,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:58:13,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305706988] [2020-12-23 10:58:13,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:58:13,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:13,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:58:13,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:58:13,796 INFO L87 Difference]: Start difference. First operand 1600 states and 2483 transitions. Second operand 6 states. [2020-12-23 10:58:14,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:14,491 INFO L93 Difference]: Finished difference Result 5410 states and 8509 transitions. [2020-12-23 10:58:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:14,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-12-23 10:58:14,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:14,516 INFO L225 Difference]: With dead ends: 5410 [2020-12-23 10:58:14,517 INFO L226 Difference]: Without dead ends: 3896 [2020-12-23 10:58:14,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:58:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2020-12-23 10:58:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3892. [2020-12-23 10:58:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3892 states. [2020-12-23 10:58:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 6107 transitions. [2020-12-23 10:58:14,832 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 6107 transitions. Word has length 97 [2020-12-23 10:58:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:14,842 INFO L481 AbstractCegarLoop]: Abstraction has 3892 states and 6107 transitions. [2020-12-23 10:58:14,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:58:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 6107 transitions. [2020-12-23 10:58:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:58:14,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:14,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:14,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:58:14,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:14,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1864730935, now seen corresponding path program 1 times [2020-12-23 10:58:14,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:14,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638235577] [2020-12-23 10:58:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:14,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638235577] [2020-12-23 10:58:14,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:14,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:58:14,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857349568] [2020-12-23 10:58:14,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:58:14,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:14,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:58:14,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:58:14,998 INFO L87 Difference]: Start difference. First operand 3892 states and 6107 transitions. Second operand 5 states. [2020-12-23 10:58:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:15,837 INFO L93 Difference]: Finished difference Result 10825 states and 17078 transitions. [2020-12-23 10:58:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:15,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 10:58:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:15,877 INFO L225 Difference]: With dead ends: 10825 [2020-12-23 10:58:15,878 INFO L226 Difference]: Without dead ends: 7086 [2020-12-23 10:58:15,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:58:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7086 states. [2020-12-23 10:58:16,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7086 to 7084. [2020-12-23 10:58:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7084 states. [2020-12-23 10:58:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7084 states to 7084 states and 11119 transitions. [2020-12-23 10:58:16,382 INFO L78 Accepts]: Start accepts. Automaton has 7084 states and 11119 transitions. Word has length 97 [2020-12-23 10:58:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:16,384 INFO L481 AbstractCegarLoop]: Abstraction has 7084 states and 11119 transitions. [2020-12-23 10:58:16,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:58:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7084 states and 11119 transitions. [2020-12-23 10:58:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:58:16,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:16,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:16,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:58:16,389 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:16,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:16,390 INFO L82 PathProgramCache]: Analyzing trace with hash -196878970, now seen corresponding path program 1 times [2020-12-23 10:58:16,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:16,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650249636] [2020-12-23 10:58:16,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:16,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650249636] [2020-12-23 10:58:16,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:16,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:58:16,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610861380] [2020-12-23 10:58:16,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:58:16,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:16,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:58:16,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:58:16,504 INFO L87 Difference]: Start difference. First operand 7084 states and 11119 transitions. Second operand 5 states. [2020-12-23 10:58:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:17,836 INFO L93 Difference]: Finished difference Result 20312 states and 32021 transitions. [2020-12-23 10:58:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:17,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 10:58:17,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:17,921 INFO L225 Difference]: With dead ends: 20312 [2020-12-23 10:58:17,921 INFO L226 Difference]: Without dead ends: 13422 [2020-12-23 10:58:17,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:58:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13422 states. [2020-12-23 10:58:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13422 to 13420. [2020-12-23 10:58:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13420 states. [2020-12-23 10:58:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13420 states to 13420 states and 21071 transitions. [2020-12-23 10:58:18,986 INFO L78 Accepts]: Start accepts. Automaton has 13420 states and 21071 transitions. Word has length 97 [2020-12-23 10:58:18,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:18,986 INFO L481 AbstractCegarLoop]: Abstraction has 13420 states and 21071 transitions. [2020-12-23 10:58:18,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:58:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13420 states and 21071 transitions. [2020-12-23 10:58:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:58:18,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:18,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:18,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:58:18,993 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:18,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:18,994 INFO L82 PathProgramCache]: Analyzing trace with hash -133707992, now seen corresponding path program 1 times [2020-12-23 10:58:18,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:18,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460545050] [2020-12-23 10:58:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:19,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460545050] [2020-12-23 10:58:19,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:19,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:58:19,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3061774] [2020-12-23 10:58:19,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:58:19,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:19,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:58:19,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:58:19,114 INFO L87 Difference]: Start difference. First operand 13420 states and 21071 transitions. Second operand 5 states. [2020-12-23 10:58:21,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:21,387 INFO L93 Difference]: Finished difference Result 39560 states and 62221 transitions. [2020-12-23 10:58:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:21,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 10:58:21,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:21,452 INFO L225 Difference]: With dead ends: 39560 [2020-12-23 10:58:21,452 INFO L226 Difference]: Without dead ends: 26256 [2020-12-23 10:58:21,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:58:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26256 states. [2020-12-23 10:58:23,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26256 to 26254. [2020-12-23 10:58:23,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26254 states. [2020-12-23 10:58:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26254 states to 26254 states and 41096 transitions. [2020-12-23 10:58:23,450 INFO L78 Accepts]: Start accepts. Automaton has 26254 states and 41096 transitions. Word has length 97 [2020-12-23 10:58:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:23,451 INFO L481 AbstractCegarLoop]: Abstraction has 26254 states and 41096 transitions. [2020-12-23 10:58:23,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:58:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 26254 states and 41096 transitions. [2020-12-23 10:58:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 10:58:23,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:23,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:23,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:58:23,458 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash 349436362, now seen corresponding path program 1 times [2020-12-23 10:58:23,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:23,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696208412] [2020-12-23 10:58:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:23,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696208412] [2020-12-23 10:58:23,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:23,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:58:23,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593077719] [2020-12-23 10:58:23,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:58:23,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:23,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:58:23,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:58:23,578 INFO L87 Difference]: Start difference. First operand 26254 states and 41096 transitions. Second operand 6 states. [2020-12-23 10:58:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:27,499 INFO L93 Difference]: Finished difference Result 102473 states and 160354 transitions. [2020-12-23 10:58:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:27,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-12-23 10:58:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:27,699 INFO L225 Difference]: With dead ends: 102473 [2020-12-23 10:58:27,700 INFO L226 Difference]: Without dead ends: 76282 [2020-12-23 10:58:27,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:58:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76282 states. [2020-12-23 10:58:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76282 to 76278. [2020-12-23 10:58:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76278 states. [2020-12-23 10:58:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76278 states to 76278 states and 118845 transitions. [2020-12-23 10:58:32,088 INFO L78 Accepts]: Start accepts. Automaton has 76278 states and 118845 transitions. Word has length 97 [2020-12-23 10:58:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:32,088 INFO L481 AbstractCegarLoop]: Abstraction has 76278 states and 118845 transitions. [2020-12-23 10:58:32,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:58:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 76278 states and 118845 transitions. [2020-12-23 10:58:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:58:32,105 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:32,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:32,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:58:32,105 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:32,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1386186639, now seen corresponding path program 1 times [2020-12-23 10:58:32,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:32,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677198928] [2020-12-23 10:58:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:32,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677198928] [2020-12-23 10:58:32,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:32,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:58:32,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863044223] [2020-12-23 10:58:32,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:58:32,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:32,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:58:32,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:58:32,196 INFO L87 Difference]: Start difference. First operand 76278 states and 118845 transitions. Second operand 6 states. [2020-12-23 10:58:42,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:58:42,536 INFO L93 Difference]: Finished difference Result 291265 states and 453309 transitions. [2020-12-23 10:58:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 10:58:42,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-12-23 10:58:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:58:43,099 INFO L225 Difference]: With dead ends: 291265 [2020-12-23 10:58:43,099 INFO L226 Difference]: Without dead ends: 215066 [2020-12-23 10:58:43,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:58:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215066 states. [2020-12-23 10:58:51,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215066 to 151084. [2020-12-23 10:58:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151084 states. [2020-12-23 10:58:52,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151084 states to 151084 states and 234238 transitions. [2020-12-23 10:58:52,238 INFO L78 Accepts]: Start accepts. Automaton has 151084 states and 234238 transitions. Word has length 98 [2020-12-23 10:58:52,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:58:52,238 INFO L481 AbstractCegarLoop]: Abstraction has 151084 states and 234238 transitions. [2020-12-23 10:58:52,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:58:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 151084 states and 234238 transitions. [2020-12-23 10:58:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 10:58:52,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:58:52,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:58:52,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:58:52,269 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:58:52,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:58:52,270 INFO L82 PathProgramCache]: Analyzing trace with hash -508006273, now seen corresponding path program 1 times [2020-12-23 10:58:52,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:58:52,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494998991] [2020-12-23 10:58:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:58:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:58:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:58:52,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494998991] [2020-12-23 10:58:52,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:58:52,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:58:52,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349031585] [2020-12-23 10:58:52,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:58:52,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:58:52,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:58:52,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:58:52,400 INFO L87 Difference]: Start difference. First operand 151084 states and 234238 transitions. Second operand 5 states. [2020-12-23 10:59:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:59:06,058 INFO L93 Difference]: Finished difference Result 288990 states and 445919 transitions. [2020-12-23 10:59:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:59:06,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 10:59:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:59:06,627 INFO L225 Difference]: With dead ends: 288990 [2020-12-23 10:59:06,627 INFO L226 Difference]: Without dead ends: 288988 [2020-12-23 10:59:06,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:59:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288988 states. [2020-12-23 10:59:16,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288988 to 152812. [2020-12-23 10:59:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152812 states. [2020-12-23 10:59:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152812 states to 152812 states and 235966 transitions. [2020-12-23 10:59:17,111 INFO L78 Accepts]: Start accepts. Automaton has 152812 states and 235966 transitions. Word has length 98 [2020-12-23 10:59:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:59:17,111 INFO L481 AbstractCegarLoop]: Abstraction has 152812 states and 235966 transitions. [2020-12-23 10:59:17,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:59:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 152812 states and 235966 transitions. [2020-12-23 10:59:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 10:59:17,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:59:17,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:59:17,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:59:17,138 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:59:17,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:59:17,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1758747548, now seen corresponding path program 1 times [2020-12-23 10:59:17,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:59:17,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577693723] [2020-12-23 10:59:17,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:59:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:59:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:59:17,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577693723] [2020-12-23 10:59:17,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:59:17,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 10:59:17,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559756516] [2020-12-23 10:59:17,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 10:59:17,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:59:17,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 10:59:17,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 10:59:17,453 INFO L87 Difference]: Start difference. First operand 152812 states and 235966 transitions. Second operand 10 states. [2020-12-23 11:00:12,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:00:12,405 INFO L93 Difference]: Finished difference Result 929062 states and 1432784 transitions. [2020-12-23 11:00:12,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 11:00:12,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-12-23 11:00:12,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:00:14,188 INFO L225 Difference]: With dead ends: 929062 [2020-12-23 11:00:14,188 INFO L226 Difference]: Without dead ends: 831112 [2020-12-23 11:00:14,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=391, Invalid=1249, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 11:00:15,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831112 states. [2020-12-23 11:00:33,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831112 to 153492. [2020-12-23 11:00:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153492 states. [2020-12-23 11:00:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153492 states to 153492 states and 236846 transitions. [2020-12-23 11:00:33,489 INFO L78 Accepts]: Start accepts. Automaton has 153492 states and 236846 transitions. Word has length 99 [2020-12-23 11:00:33,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:00:33,489 INFO L481 AbstractCegarLoop]: Abstraction has 153492 states and 236846 transitions. [2020-12-23 11:00:33,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 11:00:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 153492 states and 236846 transitions. [2020-12-23 11:00:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 11:00:33,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:00:33,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:00:33,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 11:00:33,509 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:00:33,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:00:33,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1890386908, now seen corresponding path program 1 times [2020-12-23 11:00:33,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:00:33,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357733899] [2020-12-23 11:00:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:00:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:00:33,759 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 11:00:33,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357733899] [2020-12-23 11:00:33,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:00:33,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 11:00:33,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103431891] [2020-12-23 11:00:33,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 11:00:33,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:00:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 11:00:33,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-23 11:00:33,762 INFO L87 Difference]: Start difference. First operand 153492 states and 236846 transitions. Second operand 10 states.