java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 11:58:01,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 11:58:01,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 11:58:01,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 11:58:01,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 11:58:01,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 11:58:01,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 11:58:01,729 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 11:58:01,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 11:58:01,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 11:58:01,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 11:58:01,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 11:58:01,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 11:58:01,736 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 11:58:01,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 11:58:01,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 11:58:01,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 11:58:01,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 11:58:01,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 11:58:01,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 11:58:01,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 11:58:01,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 11:58:01,748 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 11:58:01,749 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 11:58:01,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 11:58:01,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 11:58:01,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 11:58:01,752 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 11:58:01,753 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 11:58:01,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 11:58:01,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 11:58:01,754 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-03-23 11:58:01,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 11:58:01,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 11:58:01,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 11:58:01,765 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 11:58:01,766 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 11:58:01,766 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 11:58:01,766 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 11:58:01,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 11:58:01,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 11:58:01,767 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 11:58:01,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 11:58:01,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 11:58:01,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 11:58:01,768 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 11:58:01,768 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 11:58:01,768 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 11:58:01,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 11:58:01,769 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 11:58:01,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 11:58:01,769 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 11:58:01,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 11:58:01,769 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 11:58:01,770 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 11:58:01,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 11:58:01,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 11:58:01,770 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 11:58:01,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 11:58:01,772 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 11:58:01,773 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 11:58:01,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 11:58:01,820 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 11:58:01,825 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 11:58:01,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 11:58:01,827 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 11:58:01,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:01,872 ERROR L339 mateJobChangeAdapter]: Error during toolchain job processing: java.io.FileNotFoundException: /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/.metadata/.plugins/org.eclipse.core.resources/.projects/FLAG3d92b5c8c/.markers.snap (No such file or directory) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(FileOutputStream.java:270) at java.io.FileOutputStream.(FileOutputStream.java:213) at java.io.FileOutputStream.(FileOutputStream.java:133) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:45) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:41) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1769) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1853) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1222) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1163) at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-03-23 11:58:02,147 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf3c6d5619 [2018-03-23 11:58:02,324 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 11:58:02,324 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 11:58:02,325 INFO L171 CDTParser]: Scanning sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,335 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 11:58:02,335 INFO L215 ultiparseSymbolTable]: [2018-03-23 11:58:02,335 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 11:58:02,335 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,335 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 11:58:02,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uint in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__BCK in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__SLL in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ulong in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsword_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__register_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ushort in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____useconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__size_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____intptr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__div_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_set in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__idtype_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__wchar_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____socklen_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:02,367 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf3c6d5619 [2018-03-23 11:58:02,369 ERROR L339 mateJobChangeAdapter]: Error during toolchain job processing: java.io.FileNotFoundException: /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/.metadata/.plugins/org.eclipse.core.resources/.projects/FLAG3d92b5c8c/.markers.snap (No such file or directory) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(FileOutputStream.java:270) at java.io.FileOutputStream.(FileOutputStream.java:213) at java.io.FileOutputStream.(FileOutputStream.java:133) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:45) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:41) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1769) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1853) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1222) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1163) at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-03-23 11:58:02,371 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 11:58:02,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-23 11:58:02,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 11:58:02,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 11:58:02,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 11:58:02,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a8385d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02, skipping insertion in model container [2018-03-23 11:58:02,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,397 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 11:58:02,431 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 11:58:02,606 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 11:58:02,667 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 11:58:02,674 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-03-23 11:58:02,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02 WrapperNode [2018-03-23 11:58:02,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 11:58:02,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 11:58:02,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 11:58:02,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 11:58:02,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... [2018-03-23 11:58:02,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 11:58:02,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 11:58:02,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 11:58:02,794 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 11:58:02,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (1/1) ... No working directory specified, using /storage/ultimate/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 [2018-03-23 11:58:02,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 11:58:02,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 11:58:02,919 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 11:58:02,919 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-23 11:58:02,919 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-23 11:58:02,920 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-23 11:58:02,921 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-23 11:58:02,922 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-23 11:58:02,923 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-23 11:58:02,924 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-23 11:58:02,925 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-23 11:58:02,926 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-23 11:58:02,927 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-23 11:58:02,928 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-23 11:58:02,929 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-23 11:58:02,930 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-23 11:58:02,931 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 11:58:02,932 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 11:58:02,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-23 11:58:03,555 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 11:58:03,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 11:58:03 BoogieIcfgContainer [2018-03-23 11:58:03,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 11:58:03,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 11:58:03,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 11:58:03,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 11:58:03,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 11:58:02" (1/3) ... [2018-03-23 11:58:03,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cc8fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 11:58:03, skipping insertion in model container [2018-03-23 11:58:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 11:58:02" (2/3) ... [2018-03-23 11:58:03,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cc8fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 11:58:03, skipping insertion in model container [2018-03-23 11:58:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 11:58:03" (3/3) ... [2018-03-23 11:58:03,561 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-23 11:58:03,567 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 11:58:03,574 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-03-23 11:58:03,619 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 11:58:03,619 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 11:58:03,620 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 11:58:03,620 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 11:58:03,620 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 11:58:03,620 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 11:58:03,620 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 11:58:03,620 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 11:58:03,620 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 11:58:03,621 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 11:58:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-03-23 11:58:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-23 11:58:03,642 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:03,643 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:03,643 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:03,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693394, now seen corresponding path program 1 times [2018-03-23 11:58:03,648 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:03,648 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:03,696 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:03,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:03,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:03,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:03,809 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:03,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 11:58:03,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 11:58:03,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 11:58:03,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 11:58:03,825 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2018-03-23 11:58:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:04,183 INFO L93 Difference]: Finished difference Result 397 states and 461 transitions. [2018-03-23 11:58:04,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 11:58:04,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-23 11:58:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:04,197 INFO L225 Difference]: With dead ends: 397 [2018-03-23 11:58:04,197 INFO L226 Difference]: Without dead ends: 232 [2018-03-23 11:58:04,203 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:04,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-03-23 11:58:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 181. [2018-03-23 11:58:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-03-23 11:58:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2018-03-23 11:58:04,248 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 9 [2018-03-23 11:58:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:04,249 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2018-03-23 11:58:04,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 11:58:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2018-03-23 11:58:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-23 11:58:04,249 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:04,249 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:04,249 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:04,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693393, now seen corresponding path program 1 times [2018-03-23 11:58:04,250 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:04,250 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:04,251 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:04,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:04,251 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:04,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:04,311 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:04,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 11:58:04,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 11:58:04,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 11:58:04,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 11:58:04,313 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand 4 states. [2018-03-23 11:58:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:04,576 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2018-03-23 11:58:04,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 11:58:04,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-23 11:58:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:04,580 INFO L225 Difference]: With dead ends: 281 [2018-03-23 11:58:04,580 INFO L226 Difference]: Without dead ends: 277 [2018-03-23 11:58:04,581 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-03-23 11:58:04,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 177. [2018-03-23 11:58:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-03-23 11:58:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 184 transitions. [2018-03-23 11:58:04,598 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 184 transitions. Word has length 9 [2018-03-23 11:58:04,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:04,598 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 184 transitions. [2018-03-23 11:58:04,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 11:58:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 184 transitions. [2018-03-23 11:58:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-23 11:58:04,599 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:04,599 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:04,599 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:04,599 INFO L82 PathProgramCache]: Analyzing trace with hash -852881311, now seen corresponding path program 1 times [2018-03-23 11:58:04,599 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:04,599 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:04,601 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:04,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:04,601 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:04,620 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:04,692 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:04,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 11:58:04,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 11:58:04,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 11:58:04,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 11:58:04,693 INFO L87 Difference]: Start difference. First operand 177 states and 184 transitions. Second operand 6 states. [2018-03-23 11:58:05,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:05,031 INFO L93 Difference]: Finished difference Result 247 states and 259 transitions. [2018-03-23 11:58:05,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-23 11:58:05,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-03-23 11:58:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:05,033 INFO L225 Difference]: With dead ends: 247 [2018-03-23 11:58:05,033 INFO L226 Difference]: Without dead ends: 234 [2018-03-23 11:58:05,034 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-23 11:58:05,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-03-23 11:58:05,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 180. [2018-03-23 11:58:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-03-23 11:58:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2018-03-23 11:58:05,048 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 16 [2018-03-23 11:58:05,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:05,048 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2018-03-23 11:58:05,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 11:58:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2018-03-23 11:58:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-23 11:58:05,049 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:05,049 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:05,049 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash -852881310, now seen corresponding path program 1 times [2018-03-23 11:58:05,050 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:05,050 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:05,051 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:05,051 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:05,069 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:05,139 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:05,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 11:58:05,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 11:58:05,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 11:58:05,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 11:58:05,139 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 6 states. [2018-03-23 11:58:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:05,369 INFO L93 Difference]: Finished difference Result 252 states and 275 transitions. [2018-03-23 11:58:05,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-23 11:58:05,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-03-23 11:58:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:05,370 INFO L225 Difference]: With dead ends: 252 [2018-03-23 11:58:05,370 INFO L226 Difference]: Without dead ends: 248 [2018-03-23 11:58:05,371 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-23 11:58:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-03-23 11:58:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 176. [2018-03-23 11:58:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-03-23 11:58:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 190 transitions. [2018-03-23 11:58:05,383 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 190 transitions. Word has length 16 [2018-03-23 11:58:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:05,383 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 190 transitions. [2018-03-23 11:58:05,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 11:58:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 190 transitions. [2018-03-23 11:58:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-23 11:58:05,384 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:05,384 INFO L353 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] [2018-03-23 11:58:05,384 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:05,384 INFO L82 PathProgramCache]: Analyzing trace with hash -445860739, now seen corresponding path program 1 times [2018-03-23 11:58:05,384 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:05,384 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:05,386 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:05,386 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:05,407 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:05,463 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:05,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 11:58:05,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 11:58:05,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 11:58:05,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 11:58:05,464 INFO L87 Difference]: Start difference. First operand 176 states and 190 transitions. Second operand 6 states. [2018-03-23 11:58:05,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:05,673 INFO L93 Difference]: Finished difference Result 230 states and 239 transitions. [2018-03-23 11:58:05,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-23 11:58:05,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-03-23 11:58:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:05,674 INFO L225 Difference]: With dead ends: 230 [2018-03-23 11:58:05,674 INFO L226 Difference]: Without dead ends: 229 [2018-03-23 11:58:05,675 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-23 11:58:05,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-03-23 11:58:05,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 175. [2018-03-23 11:58:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-03-23 11:58:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 189 transitions. [2018-03-23 11:58:05,681 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 189 transitions. Word has length 23 [2018-03-23 11:58:05,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:05,681 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 189 transitions. [2018-03-23 11:58:05,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 11:58:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 189 transitions. [2018-03-23 11:58:05,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-23 11:58:05,682 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:05,682 INFO L353 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] [2018-03-23 11:58:05,683 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash -445860738, now seen corresponding path program 1 times [2018-03-23 11:58:05,683 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:05,683 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:05,684 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:05,684 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:05,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:05,792 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:05,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 11:58:05,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 11:58:05,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 11:58:05,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 11:58:05,792 INFO L87 Difference]: Start difference. First operand 175 states and 189 transitions. Second operand 6 states. [2018-03-23 11:58:06,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:06,006 INFO L93 Difference]: Finished difference Result 247 states and 270 transitions. [2018-03-23 11:58:06,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-23 11:58:06,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-03-23 11:58:06,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:06,007 INFO L225 Difference]: With dead ends: 247 [2018-03-23 11:58:06,008 INFO L226 Difference]: Without dead ends: 244 [2018-03-23 11:58:06,008 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-23 11:58:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-03-23 11:58:06,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 172. [2018-03-23 11:58:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-03-23 11:58:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 186 transitions. [2018-03-23 11:58:06,014 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 186 transitions. Word has length 23 [2018-03-23 11:58:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:06,015 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 186 transitions. [2018-03-23 11:58:06,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 11:58:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 186 transitions. [2018-03-23 11:58:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-23 11:58:06,016 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:06,016 INFO L353 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] [2018-03-23 11:58:06,016 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:06,016 INFO L82 PathProgramCache]: Analyzing trace with hash -741637798, now seen corresponding path program 1 times [2018-03-23 11:58:06,016 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:06,016 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:06,017 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:06,018 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:06,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:06,079 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:06,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 11:58:06,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 11:58:06,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 11:58:06,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 11:58:06,080 INFO L87 Difference]: Start difference. First operand 172 states and 186 transitions. Second operand 4 states. [2018-03-23 11:58:06,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:06,255 INFO L93 Difference]: Finished difference Result 228 states and 244 transitions. [2018-03-23 11:58:06,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 11:58:06,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-03-23 11:58:06,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:06,256 INFO L225 Difference]: With dead ends: 228 [2018-03-23 11:58:06,256 INFO L226 Difference]: Without dead ends: 223 [2018-03-23 11:58:06,257 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:06,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-03-23 11:58:06,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2018-03-23 11:58:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-03-23 11:58:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 181 transitions. [2018-03-23 11:58:06,264 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 181 transitions. Word has length 34 [2018-03-23 11:58:06,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:06,264 INFO L459 AbstractCegarLoop]: Abstraction has 167 states and 181 transitions. [2018-03-23 11:58:06,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 11:58:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 181 transitions. [2018-03-23 11:58:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-23 11:58:06,265 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:06,265 INFO L353 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] [2018-03-23 11:58:06,265 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:06,265 INFO L82 PathProgramCache]: Analyzing trace with hash -741637797, now seen corresponding path program 1 times [2018-03-23 11:58:06,265 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:06,265 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:06,266 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:06,266 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:06,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:06,339 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:06,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 11:58:06,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 11:58:06,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 11:58:06,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 11:58:06,340 INFO L87 Difference]: Start difference. First operand 167 states and 181 transitions. Second operand 4 states. [2018-03-23 11:58:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:06,459 INFO L93 Difference]: Finished difference Result 249 states and 272 transitions. [2018-03-23 11:58:06,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 11:58:06,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-03-23 11:58:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:06,461 INFO L225 Difference]: With dead ends: 249 [2018-03-23 11:58:06,461 INFO L226 Difference]: Without dead ends: 244 [2018-03-23 11:58:06,462 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-03-23 11:58:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 162. [2018-03-23 11:58:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-23 11:58:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2018-03-23 11:58:06,472 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 34 [2018-03-23 11:58:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:06,472 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2018-03-23 11:58:06,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 11:58:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2018-03-23 11:58:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-23 11:58:06,474 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:06,474 INFO L353 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] [2018-03-23 11:58:06,474 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:06,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603095, now seen corresponding path program 1 times [2018-03-23 11:58:06,474 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:06,474 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:06,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:06,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:06,506 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:06,615 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:06,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-03-23 11:58:06,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-23 11:58:06,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-23 11:58:06,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:06,616 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand 5 states. [2018-03-23 11:58:06,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:06,768 INFO L93 Difference]: Finished difference Result 218 states and 227 transitions. [2018-03-23 11:58:06,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-23 11:58:06,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-03-23 11:58:06,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:06,770 INFO L225 Difference]: With dead ends: 218 [2018-03-23 11:58:06,770 INFO L226 Difference]: Without dead ends: 215 [2018-03-23 11:58:06,770 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-03-23 11:58:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-03-23 11:58:06,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 171. [2018-03-23 11:58:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-03-23 11:58:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2018-03-23 11:58:06,776 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 35 [2018-03-23 11:58:06,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:06,776 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2018-03-23 11:58:06,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-23 11:58:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2018-03-23 11:58:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-23 11:58:06,777 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:06,777 INFO L353 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] [2018-03-23 11:58:06,777 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:06,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603094, now seen corresponding path program 1 times [2018-03-23 11:58:06,778 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:06,778 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:06,779 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:06,779 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:06,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:06,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:06,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-03-23 11:58:06,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-23 11:58:06,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-23 11:58:06,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-03-23 11:58:06,959 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand 7 states. [2018-03-23 11:58:07,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:07,332 INFO L93 Difference]: Finished difference Result 447 states and 491 transitions. [2018-03-23 11:58:07,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-23 11:58:07,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-03-23 11:58:07,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:07,334 INFO L225 Difference]: With dead ends: 447 [2018-03-23 11:58:07,334 INFO L226 Difference]: Without dead ends: 437 [2018-03-23 11:58:07,335 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-03-23 11:58:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-03-23 11:58:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 231. [2018-03-23 11:58:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-03-23 11:58:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 263 transitions. [2018-03-23 11:58:07,345 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 263 transitions. Word has length 35 [2018-03-23 11:58:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:07,345 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 263 transitions. [2018-03-23 11:58:07,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-23 11:58:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 263 transitions. [2018-03-23 11:58:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-23 11:58:07,346 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:07,346 INFO L353 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] [2018-03-23 11:58:07,346 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:07,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1951912896, now seen corresponding path program 1 times [2018-03-23 11:58:07,347 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:07,347 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:07,348 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:07,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:07,348 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:07,360 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:07,419 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:07,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 11:58:07,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-23 11:58:07,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-23 11:58:07,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-23 11:58:07,420 INFO L87 Difference]: Start difference. First operand 231 states and 263 transitions. Second operand 5 states. [2018-03-23 11:58:07,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:07,615 INFO L93 Difference]: Finished difference Result 285 states and 313 transitions. [2018-03-23 11:58:07,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 11:58:07,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-03-23 11:58:07,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:07,616 INFO L225 Difference]: With dead ends: 285 [2018-03-23 11:58:07,617 INFO L226 Difference]: Without dead ends: 282 [2018-03-23 11:58:07,617 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-23 11:58:07,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-03-23 11:58:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 231. [2018-03-23 11:58:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-03-23 11:58:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 262 transitions. [2018-03-23 11:58:07,642 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 262 transitions. Word has length 36 [2018-03-23 11:58:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:07,642 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 262 transitions. [2018-03-23 11:58:07,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-23 11:58:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 262 transitions. [2018-03-23 11:58:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-23 11:58:07,643 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:07,644 INFO L353 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] [2018-03-23 11:58:07,644 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:07,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1929810540, now seen corresponding path program 1 times [2018-03-23 11:58:07,644 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:07,644 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:07,645 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:07,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:07,646 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:07,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:08,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:58:08,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-03-23 11:58:08,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-23 11:58:08,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-23 11:58:08,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-03-23 11:58:08,112 INFO L87 Difference]: Start difference. First operand 231 states and 262 transitions. Second operand 16 states. [2018-03-23 11:58:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:09,123 INFO L93 Difference]: Finished difference Result 462 states and 521 transitions. [2018-03-23 11:58:09,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-03-23 11:58:09,124 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-03-23 11:58:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:09,128 INFO L225 Difference]: With dead ends: 462 [2018-03-23 11:58:09,128 INFO L226 Difference]: Without dead ends: 362 [2018-03-23 11:58:09,129 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=333, Invalid=1073, Unknown=0, NotChecked=0, Total=1406 [2018-03-23 11:58:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-03-23 11:58:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 244. [2018-03-23 11:58:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-03-23 11:58:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 276 transitions. [2018-03-23 11:58:09,148 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 276 transitions. Word has length 42 [2018-03-23 11:58:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:09,148 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 276 transitions. [2018-03-23 11:58:09,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-23 11:58:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 276 transitions. [2018-03-23 11:58:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-23 11:58:09,150 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:09,150 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:09,150 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:09,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711931, now seen corresponding path program 1 times [2018-03-23 11:58:09,150 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:09,150 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:09,152 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:09,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:09,152 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:09,173 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:09,673 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:58:09,673 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:58:09,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:09,734 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:58:09,851 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:09,852 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:09,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:58:09,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:09,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:09,866 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-23 11:58:09,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:09,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:09,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:09,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:09,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:09,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-03-23 11:58:10,073 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-03-23 11:58:10,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:10,081 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,125 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-03-23 11:58:10,173 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,174 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:58:10,175 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,183 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-03-23 11:58:10,229 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-03-23 11:58:10,238 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:10,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,275 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:38 [2018-03-23 11:58:10,456 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 74 [2018-03-23 11:58:10,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2018-03-23 11:58:10,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,562 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 62 [2018-03-23 11:58:10,599 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:10,656 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:10,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:10,685 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:67, output treesize:99 [2018-03-23 11:58:10,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 75 [2018-03-23 11:58:10,791 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,792 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 71 [2018-03-23 11:58:10,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:10,851 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 81 [2018-03-23 11:58:10,852 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:10,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-03-23 11:58:10,922 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,928 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,929 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:10,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-23 11:58:10,930 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,943 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:10,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-23 11:58:10,995 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:151, output treesize:173 [2018-03-23 11:58:11,219 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 54 DAG size of output 41 [2018-03-23 11:58:11,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 69 [2018-03-23 11:58:11,438 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:11,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2018-03-23 11:58:11,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:11,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:11,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2018-03-23 11:58:11,562 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:11,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 57 [2018-03-23 11:58:11,565 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:11,573 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:11,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:11,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:144, output treesize:136 [2018-03-23 11:58:14,563 WARN L148 SmtUtils]: Spent 2812ms on a formula simplification that was a NOOP. DAG size: 46 [2018-03-23 11:58:14,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 64 [2018-03-23 11:58:14,583 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:14,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-03-23 11:58:14,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,608 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:14,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2018-03-23 11:58:14,609 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,628 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:14,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2018-03-23 11:58:14,630 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,656 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:14,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2018-03-23 11:58:14,658 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,674 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:150, output treesize:10 [2018-03-23 11:58:14,685 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:14,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-23 11:58:14,686 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:14,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:14,691 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-23 11:58:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:14,772 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:58:14,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 34 [2018-03-23 11:58:14,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-03-23 11:58:14,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-03-23 11:58:14,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2018-03-23 11:58:14,773 INFO L87 Difference]: Start difference. First operand 244 states and 276 transitions. Second operand 35 states. [2018-03-23 11:58:16,006 WARN L151 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 84 DAG size of output 84 [2018-03-23 11:58:16,263 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 59 DAG size of output 59 [2018-03-23 11:58:16,581 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 82 DAG size of output 80 [2018-03-23 11:58:16,823 WARN L151 SmtUtils]: Spent 210ms on a formula simplification. DAG size of input: 87 DAG size of output 85 [2018-03-23 11:58:17,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:17,743 INFO L93 Difference]: Finished difference Result 341 states and 358 transitions. [2018-03-23 11:58:17,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-03-23 11:58:17,743 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 54 [2018-03-23 11:58:17,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:17,744 INFO L225 Difference]: With dead ends: 341 [2018-03-23 11:58:17,745 INFO L226 Difference]: Without dead ends: 340 [2018-03-23 11:58:17,746 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=719, Invalid=3973, Unknown=0, NotChecked=0, Total=4692 [2018-03-23 11:58:17,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-03-23 11:58:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 258. [2018-03-23 11:58:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-03-23 11:58:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 292 transitions. [2018-03-23 11:58:17,759 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 292 transitions. Word has length 54 [2018-03-23 11:58:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:17,759 INFO L459 AbstractCegarLoop]: Abstraction has 258 states and 292 transitions. [2018-03-23 11:58:17,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-03-23 11:58:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 292 transitions. [2018-03-23 11:58:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-23 11:58:17,760 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:17,760 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:17,760 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711932, now seen corresponding path program 1 times [2018-03-23 11:58:17,761 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:17,761 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:17,762 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:17,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:17,762 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:17,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:18,410 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:58:18,410 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:58:18,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:18,447 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:58:18,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:58:18,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,483 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,484 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:58:18,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,508 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-03-23 11:58:18,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:18,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:18,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:18,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:18,550 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,559 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:39 [2018-03-23 11:58:18,623 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-03-23 11:58:18,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:18,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,650 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:58:18,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:58:18,656 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,660 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,672 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-03-23 11:58:18,702 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:18,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,730 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,730 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,731 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-23 11:58:18,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:71 [2018-03-23 11:58:18,780 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-03-23 11:58:18,791 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:18,794 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-03-23 11:58:18,841 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-23 11:58:18,843 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,849 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,863 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:83 [2018-03-23 11:58:18,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:18,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 105 [2018-03-23 11:58:18,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:18,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:18,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,005 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-03-23 11:58:19,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-03-23 11:58:19,014 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,036 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:129, output treesize:121 [2018-03-23 11:58:19,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 130 [2018-03-23 11:58:19,090 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:58:19,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,113 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-03-23 11:58:19,142 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:58:19,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,152 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,169 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:180, output treesize:156 [2018-03-23 11:58:19,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 97 [2018-03-23 11:58:19,299 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:19,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 123 [2018-03-23 11:58:19,349 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 164 [2018-03-23 11:58:19,351 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,373 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,396 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,396 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:174 [2018-03-23 11:58:19,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 102 [2018-03-23 11:58:19,477 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:19,479 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,501 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-03-23 11:58:19,504 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,530 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2018-03-23 11:58:19,532 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 49 [2018-03-23 11:58:19,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-23 11:58:19,569 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,632 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:19,633 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,647 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:19,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-23 11:58:19,648 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,650 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:19,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:19,656 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:188, output treesize:18 [2018-03-23 11:58:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:19,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:58:19,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-03-23 11:58:19,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-23 11:58:19,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-23 11:58:19,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1004, Unknown=0, NotChecked=0, Total=1122 [2018-03-23 11:58:19,759 INFO L87 Difference]: Start difference. First operand 258 states and 292 transitions. Second operand 34 states. [2018-03-23 11:58:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:22,575 INFO L93 Difference]: Finished difference Result 347 states and 377 transitions. [2018-03-23 11:58:22,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-23 11:58:22,576 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 54 [2018-03-23 11:58:22,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:22,578 INFO L225 Difference]: With dead ends: 347 [2018-03-23 11:58:22,578 INFO L226 Difference]: Without dead ends: 342 [2018-03-23 11:58:22,579 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=510, Invalid=2796, Unknown=0, NotChecked=0, Total=3306 [2018-03-23 11:58:22,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-03-23 11:58:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 257. [2018-03-23 11:58:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-03-23 11:58:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 290 transitions. [2018-03-23 11:58:22,597 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 290 transitions. Word has length 54 [2018-03-23 11:58:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:22,597 INFO L459 AbstractCegarLoop]: Abstraction has 257 states and 290 transitions. [2018-03-23 11:58:22,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-23 11:58:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 290 transitions. [2018-03-23 11:58:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-23 11:58:22,598 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:22,598 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:22,598 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:22,598 INFO L82 PathProgramCache]: Analyzing trace with hash 621529006, now seen corresponding path program 1 times [2018-03-23 11:58:22,599 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:22,599 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:22,600 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:22,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:22,600 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:22,618 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:23,122 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:58:23,122 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:58:23,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:23,166 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:58:23,218 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,219 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:58:23,220 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-03-23 11:58:23,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:23,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:23,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:22 [2018-03-23 11:58:23,454 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-03-23 11:58:23,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:23,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-03-23 11:58:23,497 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,498 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:58:23,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:37 [2018-03-23 11:58:23,529 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-03-23 11:58:23,537 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:23,540 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,561 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:41 [2018-03-23 11:58:23,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 73 [2018-03-23 11:58:23,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 74 [2018-03-23 11:58:23,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:23,761 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,773 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:23,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 61 [2018-03-23 11:58:23,790 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:23,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:23,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:23,901 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:66, output treesize:101 [2018-03-23 11:58:23,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2018-03-23 11:58:24,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,001 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,002 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-23 11:58:24,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:24,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:24,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 74 [2018-03-23 11:58:24,090 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,091 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,095 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,097 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 88 [2018-03-23 11:58:24,108 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:24,175 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:24,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-03-23 11:58:24,176 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:24,196 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:24,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-23 11:58:24,219 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:149, output treesize:170 [2018-03-23 11:58:25,923 WARN L151 SmtUtils]: Spent 1637ms on a formula simplification. DAG size of input: 52 DAG size of output 39 [2018-03-23 11:58:26,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2018-03-23 11:58:26,069 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 56 [2018-03-23 11:58:26,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 68 [2018-03-23 11:58:26,119 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 89 [2018-03-23 11:58:26,120 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,131 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:26,150 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:142, output treesize:134 [2018-03-23 11:58:26,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2018-03-23 11:58:26,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2018-03-23 11:58:26,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,230 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:26,231 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 63 [2018-03-23 11:58:26,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-03-23 11:58:26,259 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,284 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,284 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 43 [2018-03-23 11:58:26,297 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:26,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-03-23 11:58:26,337 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,359 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-03-23 11:58:26,361 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,378 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:26,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-23 11:58:26,379 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,386 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:26,393 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:148, output treesize:4 [2018-03-23 11:58:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:26,474 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:58:26,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 31 [2018-03-23 11:58:26,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-03-23 11:58:26,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-03-23 11:58:26,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=826, Unknown=1, NotChecked=0, Total=930 [2018-03-23 11:58:26,475 INFO L87 Difference]: Start difference. First operand 257 states and 290 transitions. Second operand 31 states. [2018-03-23 11:58:27,781 WARN L151 SmtUtils]: Spent 290ms on a formula simplification. DAG size of input: 82 DAG size of output 80 [2018-03-23 11:58:28,160 WARN L148 SmtUtils]: Spent 108ms on a formula simplification that was a NOOP. DAG size: 57 [2018-03-23 11:58:28,686 WARN L148 SmtUtils]: Spent 385ms on a formula simplification that was a NOOP. DAG size: 75 [2018-03-23 11:58:28,821 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 78 [2018-03-23 11:58:29,246 WARN L148 SmtUtils]: Spent 335ms on a formula simplification that was a NOOP. DAG size: 48 [2018-03-23 11:58:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:29,804 INFO L93 Difference]: Finished difference Result 333 states and 360 transitions. [2018-03-23 11:58:29,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-23 11:58:29,805 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 55 [2018-03-23 11:58:29,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:29,806 INFO L225 Difference]: With dead ends: 333 [2018-03-23 11:58:29,806 INFO L226 Difference]: Without dead ends: 330 [2018-03-23 11:58:29,806 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=485, Invalid=2484, Unknown=1, NotChecked=0, Total=2970 [2018-03-23 11:58:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-03-23 11:58:29,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 255. [2018-03-23 11:58:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-03-23 11:58:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 287 transitions. [2018-03-23 11:58:29,820 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 287 transitions. Word has length 55 [2018-03-23 11:58:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:29,821 INFO L459 AbstractCegarLoop]: Abstraction has 255 states and 287 transitions. [2018-03-23 11:58:29,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-03-23 11:58:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 287 transitions. [2018-03-23 11:58:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-03-23 11:58:29,822 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:29,822 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:29,822 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:29,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1293284932, now seen corresponding path program 1 times [2018-03-23 11:58:29,823 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:29,823 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:29,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:29,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:29,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:29,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:30,205 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:58:30,205 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:58:30,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:30,238 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:58:30,273 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,274 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:58:30,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,277 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-23 11:58:30,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:30,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:30,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,302 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-03-23 11:58:30,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-03-23 11:58:30,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:30,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,381 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-03-23 11:58:30,402 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,403 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:58:30,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:39 [2018-03-23 11:58:30,439 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-03-23 11:58:30,445 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:30,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,463 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:52 [2018-03-23 11:58:30,550 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 81 [2018-03-23 11:58:30,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2018-03-23 11:58:30,569 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,627 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 54 [2018-03-23 11:58:30,638 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:30,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:30,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:30,699 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:85, output treesize:122 [2018-03-23 11:58:30,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2018-03-23 11:58:30,765 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,765 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,766 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-23 11:58:30,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 87 [2018-03-23 11:58:30,828 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,832 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 76 [2018-03-23 11:58:30,843 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-23 11:58:30,905 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:30,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 99 [2018-03-23 11:58:30,906 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:30,937 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:58:31,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-23 11:58:31,113 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:174, output treesize:201 [2018-03-23 11:58:31,487 WARN L151 SmtUtils]: Spent 283ms on a formula simplification. DAG size of input: 58 DAG size of output 45 [2018-03-23 11:58:31,503 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,504 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,505 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 70 [2018-03-23 11:58:31,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,553 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,557 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,558 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,559 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:31,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 128 [2018-03-23 11:58:31,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:31,598 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:163, output treesize:187 [2018-03-23 11:58:31,846 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 54 [2018-03-23 11:58:31,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 71 [2018-03-23 11:58:31,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:31,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 112 [2018-03-23 11:58:31,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:31,933 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:31,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:31,995 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:209, output treesize:201 [2018-03-23 11:58:32,342 WARN L148 SmtUtils]: Spent 162ms on a formula simplification that was a NOOP. DAG size: 71 [2018-03-23 11:58:32,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 95 [2018-03-23 11:58:32,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 83 [2018-03-23 11:58:32,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,448 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:32,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2018-03-23 11:58:32,449 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 77 [2018-03-23 11:58:32,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 60 [2018-03-23 11:58:32,523 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,557 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:32,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-03-23 11:58:32,559 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:32,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 66 [2018-03-23 11:58:32,591 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,629 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:32,633 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:32,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 71 [2018-03-23 11:58:32,645 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:58:32,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 7 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-23 11:58:32,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 56 [2018-03-23 11:58:32,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-03-23 11:58:32,750 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,761 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:32,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:32,762 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-23 11:58:32,771 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,777 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:32,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 4 xjuncts. [2018-03-23 11:58:32,823 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:215, output treesize:156 [2018-03-23 11:58:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:32,995 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:58:32,995 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2018-03-23 11:58:32,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-23 11:58:32,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-23 11:58:32,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1327, Unknown=1, NotChecked=0, Total=1482 [2018-03-23 11:58:32,996 INFO L87 Difference]: Start difference. First operand 255 states and 287 transitions. Second operand 39 states. [2018-03-23 11:58:34,296 WARN L151 SmtUtils]: Spent 337ms on a formula simplification. DAG size of input: 78 DAG size of output 78 [2018-03-23 11:58:38,864 WARN L151 SmtUtils]: Spent 4393ms on a formula simplification. DAG size of input: 87 DAG size of output 66 [2018-03-23 11:58:46,246 WARN L151 SmtUtils]: Spent 7296ms on a formula simplification. DAG size of input: 101 DAG size of output 80 [2018-03-23 11:58:46,551 WARN L151 SmtUtils]: Spent 230ms on a formula simplification. DAG size of input: 126 DAG size of output 104 [2018-03-23 11:58:47,030 WARN L151 SmtUtils]: Spent 343ms on a formula simplification. DAG size of input: 146 DAG size of output 145 [2018-03-23 11:58:47,593 WARN L151 SmtUtils]: Spent 350ms on a formula simplification. DAG size of input: 170 DAG size of output 148 [2018-03-23 11:58:47,969 WARN L151 SmtUtils]: Spent 271ms on a formula simplification. DAG size of input: 133 DAG size of output 106 [2018-03-23 11:58:48,303 WARN L151 SmtUtils]: Spent 231ms on a formula simplification. DAG size of input: 124 DAG size of output 102 [2018-03-23 11:58:48,828 WARN L151 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 100 DAG size of output 99 [2018-03-23 11:58:49,307 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 103 DAG size of output 102 [2018-03-23 11:58:51,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:51,080 INFO L93 Difference]: Finished difference Result 758 states and 819 transitions. [2018-03-23 11:58:51,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-03-23 11:58:51,081 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 56 [2018-03-23 11:58:51,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:51,083 INFO L225 Difference]: With dead ends: 758 [2018-03-23 11:58:51,083 INFO L226 Difference]: Without dead ends: 757 [2018-03-23 11:58:51,085 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2462 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=1493, Invalid=6516, Unknown=1, NotChecked=0, Total=8010 [2018-03-23 11:58:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2018-03-23 11:58:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 366. [2018-03-23 11:58:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-03-23 11:58:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 423 transitions. [2018-03-23 11:58:51,114 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 423 transitions. Word has length 56 [2018-03-23 11:58:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:51,114 INFO L459 AbstractCegarLoop]: Abstraction has 366 states and 423 transitions. [2018-03-23 11:58:51,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-23 11:58:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 423 transitions. [2018-03-23 11:58:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-03-23 11:58:51,115 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:51,115 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:51,115 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:51,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1293284931, now seen corresponding path program 1 times [2018-03-23 11:58:51,116 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:51,116 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:51,117 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:51,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:51,117 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:51,137 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:58:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:51,572 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:58:51,572 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:58:51,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:51,606 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:58:51,624 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,624 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:58:51,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,630 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-03-23 11:58:51,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:51,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:51,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:58:51,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:51,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,667 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:30 [2018-03-23 11:58:51,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:58:51,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:58:51,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,776 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-03-23 11:58:51,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:51,781 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,788 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:70, output treesize:66 [2018-03-23 11:58:51,831 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-03-23 11:58:51,833 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,850 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,851 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,852 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-03-23 11:58:51,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,869 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:83, output treesize:92 [2018-03-23 11:58:51,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-03-23 11:58:51,921 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-23 11:58:51,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,956 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87 [2018-03-23 11:58:51,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:51,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:58:51,964 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,978 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:51,999 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:122, output treesize:111 [2018-03-23 11:58:52,134 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,135 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-03-23 11:58:52,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-03-23 11:58:52,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,178 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,178 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 138 [2018-03-23 11:58:52,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:58:52,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,206 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:52,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:161, output treesize:153 [2018-03-23 11:58:52,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 150 [2018-03-23 11:58:52,328 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:58:52,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-03-23 11:58:52,395 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:58:52,396 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,405 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:52,430 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:212, output treesize:188 [2018-03-23 11:58:52,493 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,494 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,495 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,496 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 90 [2018-03-23 11:58:52,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,539 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,540 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,541 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,542 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-03-23 11:58:52,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:52,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:199, output treesize:170 [2018-03-23 11:58:52,684 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,685 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 153 [2018-03-23 11:58:52,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:52,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 121 [2018-03-23 11:58:52,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:58:52,768 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,781 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:52,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:52,808 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:192, output treesize:184 [2018-03-23 11:58:52,963 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,964 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 118 [2018-03-23 11:58:52,974 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:52,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:52,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:53,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-03-23 11:58:53,002 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:53,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2018-03-23 11:58:53,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-23 11:58:53,035 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:53,074 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:53,074 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:53,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 59 [2018-03-23 11:58:53,096 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:58:53,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:58:53,097 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-23 11:58:53,112 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-23 11:58:53,117 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-23 11:58:53,122 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,124 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:58:53,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:58:53,136 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 8 variables, input treesize:198, output treesize:23 [2018-03-23 11:58:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:58:53,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:58:53,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2018-03-23 11:58:53,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-03-23 11:58:53,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-03-23 11:58:53,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1417, Unknown=0, NotChecked=0, Total=1560 [2018-03-23 11:58:53,293 INFO L87 Difference]: Start difference. First operand 366 states and 423 transitions. Second operand 40 states. [2018-03-23 11:58:55,344 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 114 DAG size of output 95 [2018-03-23 11:58:55,636 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 147 DAG size of output 130 [2018-03-23 11:58:55,979 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 161 DAG size of output 135 [2018-03-23 11:58:56,154 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 129 DAG size of output 97 [2018-03-23 11:58:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:58:59,193 INFO L93 Difference]: Finished difference Result 760 states and 835 transitions. [2018-03-23 11:58:59,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-03-23 11:58:59,193 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 56 [2018-03-23 11:58:59,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:58:59,195 INFO L225 Difference]: With dead ends: 760 [2018-03-23 11:58:59,195 INFO L226 Difference]: Without dead ends: 755 [2018-03-23 11:58:59,197 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1810 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1089, Invalid=6051, Unknown=0, NotChecked=0, Total=7140 [2018-03-23 11:58:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-03-23 11:58:59,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 414. [2018-03-23 11:58:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-03-23 11:58:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2018-03-23 11:58:59,217 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 56 [2018-03-23 11:58:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:58:59,217 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2018-03-23 11:58:59,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-03-23 11:58:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2018-03-23 11:58:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-23 11:58:59,218 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:58:59,218 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:58:59,218 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:58:59,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1237539802, now seen corresponding path program 1 times [2018-03-23 11:58:59,218 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:58:59,218 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:58:59,219 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:59,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:58:59,219 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:58:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:58:59,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:00,246 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:00,246 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:00,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:00,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:00,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:00,284 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,292 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,293 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:00,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,301 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-03-23 11:59:00,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:00,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:00,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:00,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:00,345 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,347 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,354 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:42 [2018-03-23 11:59:00,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-03-23 11:59:00,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:47 [2018-03-23 11:59:00,507 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-03-23 11:59:00,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:00,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,518 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,531 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-03-23 11:59:00,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:00,535 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,541 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,552 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:73, output treesize:69 [2018-03-23 11:59:00,595 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,596 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,597 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-23 11:59:00,598 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:67 [2018-03-23 11:59:00,655 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,657 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 65 [2018-03-23 11:59:00,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-03-23 11:59:00,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,693 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 56 [2018-03-23 11:59:00,700 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-03-23 11:59:00,702 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,711 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,724 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:92, output treesize:75 [2018-03-23 11:59:00,813 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-03-23 11:59:00,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-03-23 11:59:00,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,848 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,849 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,849 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,850 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 108 [2018-03-23 11:59:00,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:00,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,878 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:00,894 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:110, output treesize:102 [2018-03-23 11:59:00,944 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-03-23 11:59:00,953 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:59:00,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:00,986 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,988 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 112 [2018-03-23 11:59:00,995 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:00,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:59:00,996 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,010 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:01,027 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:161, output treesize:137 [2018-03-23 11:59:01,150 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 97 [2018-03-23 11:59:01,162 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:59:01,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,203 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,207 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,209 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 124 [2018-03-23 11:59:01,215 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,225 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 179 [2018-03-23 11:59:01,227 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:01,262 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:01,286 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:161, output treesize:153 [2018-03-23 11:59:01,487 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,492 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 116 [2018-03-23 11:59:01,510 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,528 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 51 [2018-03-23 11:59:01,529 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:01,567 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:01,568 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,595 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,596 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,597 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 101 [2018-03-23 11:59:01,612 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:01,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,616 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 75 [2018-03-23 11:59:01,620 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:01,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-03-23 11:59:01,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2018-03-23 11:59:01,723 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-23 11:59:01,724 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,737 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:01,738 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-03-23 11:59:01,748 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,752 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2018-03-23 11:59:01,758 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-23 11:59:01,758 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,772 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-23 11:59:01,772 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,782 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:01,783 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,788 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2018-03-23 11:59:01,794 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-23 11:59:01,794 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,806 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:01,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:01,807 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,816 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:01,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-23 11:59:01,817 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,822 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:01,842 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 5 variables, input treesize:180, output treesize:7 [2018-03-23 11:59:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:01,927 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:01,927 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 39 [2018-03-23 11:59:01,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-23 11:59:01,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-23 11:59:01,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1325, Unknown=1, NotChecked=0, Total=1482 [2018-03-23 11:59:01,928 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 39 states. [2018-03-23 11:59:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:04,723 INFO L93 Difference]: Finished difference Result 553 states and 627 transitions. [2018-03-23 11:59:04,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-03-23 11:59:04,723 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 61 [2018-03-23 11:59:04,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:04,725 INFO L225 Difference]: With dead ends: 553 [2018-03-23 11:59:04,725 INFO L226 Difference]: Without dead ends: 453 [2018-03-23 11:59:04,727 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1402 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=723, Invalid=4386, Unknown=3, NotChecked=0, Total=5112 [2018-03-23 11:59:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-03-23 11:59:04,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 422. [2018-03-23 11:59:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-03-23 11:59:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 484 transitions. [2018-03-23 11:59:04,762 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 484 transitions. Word has length 61 [2018-03-23 11:59:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:04,762 INFO L459 AbstractCegarLoop]: Abstraction has 422 states and 484 transitions. [2018-03-23 11:59:04,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-23 11:59:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 484 transitions. [2018-03-23 11:59:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-03-23 11:59:04,763 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:04,764 INFO L353 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] [2018-03-23 11:59:04,764 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:04,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1406115174, now seen corresponding path program 1 times [2018-03-23 11:59:04,764 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:04,764 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:04,765 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:04,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:04,766 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:04,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:05,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:59:05,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-03-23 11:59:05,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-23 11:59:05,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-23 11:59:05,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-03-23 11:59:05,216 INFO L87 Difference]: Start difference. First operand 422 states and 484 transitions. Second operand 20 states. [2018-03-23 11:59:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:06,431 INFO L93 Difference]: Finished difference Result 704 states and 793 transitions. [2018-03-23 11:59:06,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-03-23 11:59:06,431 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2018-03-23 11:59:06,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:06,433 INFO L225 Difference]: With dead ends: 704 [2018-03-23 11:59:06,433 INFO L226 Difference]: Without dead ends: 451 [2018-03-23 11:59:06,434 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=539, Invalid=1623, Unknown=0, NotChecked=0, Total=2162 [2018-03-23 11:59:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-03-23 11:59:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 422. [2018-03-23 11:59:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-03-23 11:59:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 483 transitions. [2018-03-23 11:59:06,455 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 483 transitions. Word has length 62 [2018-03-23 11:59:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:06,455 INFO L459 AbstractCegarLoop]: Abstraction has 422 states and 483 transitions. [2018-03-23 11:59:06,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-23 11:59:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 483 transitions. [2018-03-23 11:59:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-03-23 11:59:06,456 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:06,456 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:06,456 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:06,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1851879438, now seen corresponding path program 2 times [2018-03-23 11:59:06,457 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:06,457 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:06,458 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:06,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:06,458 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:06,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:07,110 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:07,110 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:07,116 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-03-23 11:59:07,187 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-03-23 11:59:07,187 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-03-23 11:59:07,190 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:07,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:07,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,196 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-23 11:59:07,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-23 11:59:07,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:07,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-03-23 11:59:07,244 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,245 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-23 11:59:07,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,249 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-03-23 11:59:07,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:07,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:07,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:26 [2018-03-23 11:59:07,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-23 11:59:07,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-03-23 11:59:07,311 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:22 [2018-03-23 11:59:07,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-03-23 11:59:07,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:07,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,383 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-03-23 11:59:07,415 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,416 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:07,416 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,425 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:40 [2018-03-23 11:59:07,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:07,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:07,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:48 [2018-03-23 11:59:07,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-03-23 11:59:07,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-03-23 11:59:07,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:07,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:55, output treesize:40 [2018-03-23 11:59:07,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 52 [2018-03-23 11:59:07,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 40 [2018-03-23 11:59:07,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 39 [2018-03-23 11:59:07,669 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-23 11:59:07,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:59:07,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:07,704 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:53, output treesize:86 [2018-03-23 11:59:07,775 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,775 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,776 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:07,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-23 11:59:07,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:07,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:34 [2018-03-23 11:59:07,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-03-23 11:59:07,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:07,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:07,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:07,886 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:43 [2018-03-23 11:59:08,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-03-23 11:59:08,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-23 11:59:08,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:08,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-23 11:59:08,026 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:08,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-03-23 11:59:08,033 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-23 11:59:08,037 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:59:08,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-23 11:59:08,047 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:59, output treesize:24 [2018-03-23 11:59:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-03-23 11:59:08,145 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-03-23 11:59:08,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [23] total 43 [2018-03-23 11:59:08,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-03-23 11:59:08,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-03-23 11:59:08,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1652, Unknown=0, NotChecked=0, Total=1806 [2018-03-23 11:59:08,146 INFO L87 Difference]: Start difference. First operand 422 states and 483 transitions. Second operand 43 states. [2018-03-23 11:59:10,166 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 114 DAG size of output 100 [2018-03-23 11:59:10,339 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 122 DAG size of output 103 [2018-03-23 11:59:10,518 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 122 DAG size of output 105 [2018-03-23 11:59:10,692 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 116 DAG size of output 102 [2018-03-23 11:59:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:12,825 INFO L93 Difference]: Finished difference Result 1049 states and 1156 transitions. [2018-03-23 11:59:12,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-03-23 11:59:12,825 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 65 [2018-03-23 11:59:12,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:12,827 INFO L225 Difference]: With dead ends: 1049 [2018-03-23 11:59:12,827 INFO L226 Difference]: Without dead ends: 721 [2018-03-23 11:59:12,830 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2384 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1680, Invalid=7440, Unknown=0, NotChecked=0, Total=9120 [2018-03-23 11:59:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-03-23 11:59:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 437. [2018-03-23 11:59:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-03-23 11:59:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 499 transitions. [2018-03-23 11:59:12,854 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 499 transitions. Word has length 65 [2018-03-23 11:59:12,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:12,854 INFO L459 AbstractCegarLoop]: Abstraction has 437 states and 499 transitions. [2018-03-23 11:59:12,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-03-23 11:59:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 499 transitions. [2018-03-23 11:59:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-03-23 11:59:12,854 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:12,855 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:12,855 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:12,855 INFO L82 PathProgramCache]: Analyzing trace with hash -957764546, now seen corresponding path program 1 times [2018-03-23 11:59:12,855 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:12,855 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:12,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:12,856 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-03-23 11:59:12,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:12,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:13,609 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:13,636 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:13,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:13,670 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:13,677 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,678 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:13,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,683 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-03-23 11:59:13,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:13,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:13,706 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:13,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:13,717 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,718 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,724 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:37, output treesize:23 [2018-03-23 11:59:13,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-23 11:59:13,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:13,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:59:13,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:13,805 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,810 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,819 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:51 [2018-03-23 11:59:13,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:13,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,870 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,871 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,871 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 38 [2018-03-23 11:59:13,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:76 [2018-03-23 11:59:13,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-03-23 11:59:13,939 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 27 [2018-03-23 11:59:13,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 49 [2018-03-23 11:59:13,978 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:13,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-03-23 11:59:13,978 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:13,986 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,003 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:95, output treesize:120 [2018-03-23 11:59:14,136 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,137 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 165 [2018-03-23 11:59:14,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:14,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,194 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 141 [2018-03-23 11:59:14,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:14,209 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,242 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,264 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:183, output treesize:163 [2018-03-23 11:59:14,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2018-03-23 11:59:14,344 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:14,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 198 [2018-03-23 11:59:14,443 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:14,444 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,463 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:14,485 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:254, output treesize:222 [2018-03-23 11:59:14,558 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,559 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,560 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,560 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-03-23 11:59:14,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,587 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 57 [2018-03-23 11:59:14,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:14,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:233, output treesize:208 [2018-03-23 11:59:14,722 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 193 [2018-03-23 11:59:14,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:14,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,789 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:14,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 218 [2018-03-23 11:59:14,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:14,803 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,824 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:14,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:14,850 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:230, output treesize:222 [2018-03-23 11:59:15,224 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 184 [2018-03-23 11:59:15,232 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:15,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-23 11:59:15,259 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,279 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 46 [2018-03-23 11:59:15,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2018-03-23 11:59:15,299 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:15,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:15,337 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,338 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 79 [2018-03-23 11:59:15,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-23 11:59:15,345 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,361 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2018-03-23 11:59:15,362 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:15,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:15,371 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-23 11:59:15,378 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,380 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:15,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:15,389 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:274, output treesize:23 [2018-03-23 11:59:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:15,539 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:15,540 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 40 [2018-03-23 11:59:15,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-03-23 11:59:15,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-03-23 11:59:15,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1474, Unknown=1, NotChecked=0, Total=1640 [2018-03-23 11:59:15,541 INFO L87 Difference]: Start difference. First operand 437 states and 499 transitions. Second operand 41 states. [2018-03-23 11:59:17,790 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 143 DAG size of output 142 [2018-03-23 11:59:19,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:19,129 INFO L93 Difference]: Finished difference Result 553 states and 597 transitions. [2018-03-23 11:59:19,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-03-23 11:59:19,130 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 68 [2018-03-23 11:59:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:19,131 INFO L225 Difference]: With dead ends: 553 [2018-03-23 11:59:19,131 INFO L226 Difference]: Without dead ends: 548 [2018-03-23 11:59:19,133 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=665, Invalid=4162, Unknown=3, NotChecked=0, Total=4830 [2018-03-23 11:59:19,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-03-23 11:59:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 449. [2018-03-23 11:59:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-03-23 11:59:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 512 transitions. [2018-03-23 11:59:19,161 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 512 transitions. Word has length 68 [2018-03-23 11:59:19,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:19,161 INFO L459 AbstractCegarLoop]: Abstraction has 449 states and 512 transitions. [2018-03-23 11:59:19,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-03-23 11:59:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 512 transitions. [2018-03-23 11:59:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-23 11:59:19,162 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:19,162 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:19,162 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:19,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1844635945, now seen corresponding path program 2 times [2018-03-23 11:59:19,162 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:19,162 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:19,163 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:19,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:19,163 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:19,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:19,899 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:19,899 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:19,911 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-03-23 11:59:19,953 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-03-23 11:59:19,954 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-03-23 11:59:19,957 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:19,960 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:19,961 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:19,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:19,961 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:19,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:19,968 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-03-23 11:59:19,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:19,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:19,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:19,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:20,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:20,008 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,010 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,016 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:33 [2018-03-23 11:59:20,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-23 11:59:20,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:20,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:59:20,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:20,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,114 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,124 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:57 [2018-03-23 11:59:20,163 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,164 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,165 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 38 [2018-03-23 11:59:20,166 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,183 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:74 [2018-03-23 11:59:20,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-03-23 11:59:20,237 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-03-23 11:59:20,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,267 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-03-23 11:59:20,272 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-03-23 11:59:20,275 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,288 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,308 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:96, output treesize:94 [2018-03-23 11:59:20,439 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,439 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,440 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 140 [2018-03-23 11:59:20,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:20,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,486 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,486 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,488 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 121 [2018-03-23 11:59:20,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:20,494 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,508 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,524 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:133 [2018-03-23 11:59:20,579 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 189 [2018-03-23 11:59:20,589 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:20,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,635 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,636 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 162 [2018-03-23 11:59:20,645 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:20,646 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,665 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:20,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:192 [2018-03-23 11:59:20,821 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 166 [2018-03-23 11:59:20,835 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 190 [2018-03-23 11:59:20,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,894 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,895 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,897 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 172 [2018-03-23 11:59:20,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:20,917 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 237 [2018-03-23 11:59:20,918 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:20,958 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:20,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:20,982 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:218, output treesize:210 [2018-03-23 11:59:21,108 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 156 [2018-03-23 11:59:21,113 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:21,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-03-23 11:59:21,131 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 90 [2018-03-23 11:59:21,144 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,167 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:217, output treesize:118 [2018-03-23 11:59:21,270 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,271 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 64 [2018-03-23 11:59:21,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:122, output treesize:104 [2018-03-23 11:59:21,337 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,337 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,338 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,340 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,341 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:21,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 117 [2018-03-23 11:59:21,346 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,347 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,348 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:21,354 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 112 [2018-03-23 11:59:21,355 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:94 [2018-03-23 11:59:21,484 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,485 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,486 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 80 [2018-03-23 11:59:21,491 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:21,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2018-03-23 11:59:21,505 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 5 [2018-03-23 11:59:21,512 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,515 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,520 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:108, output treesize:20 [2018-03-23 11:59:21,591 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,592 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,593 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:21,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-03-23 11:59:21,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:21,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:21,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:20 [2018-03-23 11:59:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:21,708 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:21,708 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 45 [2018-03-23 11:59:21,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-03-23 11:59:21,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-03-23 11:59:21,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1829, Unknown=1, NotChecked=0, Total=2070 [2018-03-23 11:59:21,709 INFO L87 Difference]: Start difference. First operand 449 states and 512 transitions. Second operand 46 states. [2018-03-23 11:59:22,712 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 105 DAG size of output 99 [2018-03-23 11:59:22,974 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 109 DAG size of output 103 [2018-03-23 11:59:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:24,532 INFO L93 Difference]: Finished difference Result 530 states and 577 transitions. [2018-03-23 11:59:24,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-03-23 11:59:24,532 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 73 [2018-03-23 11:59:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:24,534 INFO L225 Difference]: With dead ends: 530 [2018-03-23 11:59:24,534 INFO L226 Difference]: Without dead ends: 529 [2018-03-23 11:59:24,535 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=917, Invalid=5722, Unknown=3, NotChecked=0, Total=6642 [2018-03-23 11:59:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-03-23 11:59:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 463. [2018-03-23 11:59:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-03-23 11:59:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 528 transitions. [2018-03-23 11:59:24,575 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 528 transitions. Word has length 73 [2018-03-23 11:59:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:24,575 INFO L459 AbstractCegarLoop]: Abstraction has 463 states and 528 transitions. [2018-03-23 11:59:24,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-03-23 11:59:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 528 transitions. [2018-03-23 11:59:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-23 11:59:24,577 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:24,577 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:24,577 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:24,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1844635946, now seen corresponding path program 2 times [2018-03-23 11:59:24,577 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:24,577 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:24,578 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:24,578 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-03-23 11:59:24,578 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:24,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:25,221 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 29 DAG size of output 22 [2018-03-23 11:59:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:25,672 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:25,672 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:25,678 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-03-23 11:59:25,733 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-03-23 11:59:25,733 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-03-23 11:59:25,736 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:25,740 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:25,740 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:25,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:25,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:25,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-03-23 11:59:25,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:25,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:25,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:25,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:25,796 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,797 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,805 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:42 [2018-03-23 11:59:25,901 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:25,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-03-23 11:59:25,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:25,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,930 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:25,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 61 [2018-03-23 11:59:25,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:25,935 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,943 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:25,956 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:82, output treesize:78 [2018-03-23 11:59:25,999 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-23 11:59:26,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-23 11:59:26,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:92, output treesize:84 [2018-03-23 11:59:26,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2018-03-23 11:59:26,086 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-03-23 11:59:26,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,115 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,117 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 89 [2018-03-23 11:59:26,122 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-03-23 11:59:26,124 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,143 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,162 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:112 [2018-03-23 11:59:26,314 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,315 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,316 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,318 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 152 [2018-03-23 11:59:26,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:26,326 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,369 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 155 [2018-03-23 11:59:26,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:26,380 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,398 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,418 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:163, output treesize:143 [2018-03-23 11:59:26,470 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,472 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 189 [2018-03-23 11:59:26,480 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:26,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,527 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 188 [2018-03-23 11:59:26,536 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:26,536 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,556 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:26,577 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:234, output treesize:202 [2018-03-23 11:59:26,702 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,706 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,710 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 185 [2018-03-23 11:59:26,719 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,729 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 205 treesize of output 252 [2018-03-23 11:59:26,730 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:26,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,805 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 179 [2018-03-23 11:59:26,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:26,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 205 [2018-03-23 11:59:26,815 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,836 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:26,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:26,861 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:228, output treesize:220 [2018-03-23 11:59:27,051 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,056 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,056 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:27,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 192 [2018-03-23 11:59:27,060 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,062 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,062 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,063 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:27,070 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 187 [2018-03-23 11:59:27,071 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,137 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,141 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:27,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 199 [2018-03-23 11:59:27,154 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:27,155 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 65 [2018-03-23 11:59:27,156 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,181 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,208 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:253, output treesize:207 [2018-03-23 11:59:27,275 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,277 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 162 [2018-03-23 11:59:27,281 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,282 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,290 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 81 [2018-03-23 11:59:27,291 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:27,336 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:27,337 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 49 [2018-03-23 11:59:27,355 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-03-23 11:59:27,387 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:27,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:27,388 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2018-03-23 11:59:27,398 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-03-23 11:59:27,403 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,404 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:27,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:27,410 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:243, output treesize:18 [2018-03-23 11:59:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:27,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:27,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2018-03-23 11:59:27,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-23 11:59:27,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-23 11:59:27,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1313, Unknown=1, NotChecked=0, Total=1482 [2018-03-23 11:59:27,543 INFO L87 Difference]: Start difference. First operand 463 states and 528 transitions. Second operand 39 states. [2018-03-23 11:59:28,572 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 105 DAG size of output 103 [2018-03-23 11:59:28,786 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 109 DAG size of output 107 [2018-03-23 11:59:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:29,683 INFO L93 Difference]: Finished difference Result 548 states and 609 transitions. [2018-03-23 11:59:29,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-03-23 11:59:29,683 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 73 [2018-03-23 11:59:29,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:29,685 INFO L225 Difference]: With dead ends: 548 [2018-03-23 11:59:29,685 INFO L226 Difference]: Without dead ends: 543 [2018-03-23 11:59:29,686 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=604, Invalid=3553, Unknown=3, NotChecked=0, Total=4160 [2018-03-23 11:59:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-03-23 11:59:29,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 462. [2018-03-23 11:59:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-03-23 11:59:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 526 transitions. [2018-03-23 11:59:29,713 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 526 transitions. Word has length 73 [2018-03-23 11:59:29,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:29,714 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 526 transitions. [2018-03-23 11:59:29,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-23 11:59:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 526 transitions. [2018-03-23 11:59:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-23 11:59:29,715 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:29,715 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:29,715 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1897402948, now seen corresponding path program 1 times [2018-03-23 11:59:29,715 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:29,715 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:29,716 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:29,716 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-03-23 11:59:29,717 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:29,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:30,689 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:30,689 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:30,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:30,718 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:30,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-23 11:59:30,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:30,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-03-23 11:59:30,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-23 11:59:30,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-03-23 11:59:30,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:30,811 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-03-23 11:59:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:30,864 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-03-23 11:59:30,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [26] total 31 [2018-03-23 11:59:30,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-03-23 11:59:30,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-03-23 11:59:30,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2018-03-23 11:59:30,865 INFO L87 Difference]: Start difference. First operand 462 states and 526 transitions. Second operand 32 states. [2018-03-23 11:59:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:33,928 INFO L93 Difference]: Finished difference Result 769 states and 841 transitions. [2018-03-23 11:59:33,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-03-23 11:59:33,929 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 73 [2018-03-23 11:59:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:33,930 INFO L225 Difference]: With dead ends: 769 [2018-03-23 11:59:33,931 INFO L226 Difference]: Without dead ends: 768 [2018-03-23 11:59:33,931 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1254, Invalid=6228, Unknown=0, NotChecked=0, Total=7482 [2018-03-23 11:59:33,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2018-03-23 11:59:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 490. [2018-03-23 11:59:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-03-23 11:59:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-03-23 11:59:33,964 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 73 [2018-03-23 11:59:33,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:33,964 INFO L459 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-03-23 11:59:33,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-03-23 11:59:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-03-23 11:59:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-23 11:59:33,965 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:33,965 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:33,965 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:33,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1897402947, now seen corresponding path program 1 times [2018-03-23 11:59:33,965 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:33,965 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:33,966 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:33,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:33,966 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:33,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:34,264 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 11:59:34,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-03-23 11:59:34,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-23 11:59:34,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-23 11:59:34,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-03-23 11:59:34,265 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 12 states. [2018-03-23 11:59:34,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:34,878 INFO L93 Difference]: Finished difference Result 825 states and 938 transitions. [2018-03-23 11:59:34,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-23 11:59:34,878 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 73 [2018-03-23 11:59:34,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:34,881 INFO L225 Difference]: With dead ends: 825 [2018-03-23 11:59:34,881 INFO L226 Difference]: Without dead ends: 824 [2018-03-23 11:59:34,882 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2018-03-23 11:59:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-03-23 11:59:34,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 624. [2018-03-23 11:59:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-03-23 11:59:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 721 transitions. [2018-03-23 11:59:34,927 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 721 transitions. Word has length 73 [2018-03-23 11:59:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:34,927 INFO L459 AbstractCegarLoop]: Abstraction has 624 states and 721 transitions. [2018-03-23 11:59:34,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-23 11:59:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 721 transitions. [2018-03-23 11:59:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-03-23 11:59:34,928 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:34,928 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:34,928 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:34,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1349140736, now seen corresponding path program 2 times [2018-03-23 11:59:34,929 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:34,929 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:34,930 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:34,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:34,930 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:34,944 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:35,556 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:35,556 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:35,562 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-03-23 11:59:35,610 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-03-23 11:59:35,610 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-03-23 11:59:35,613 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:35,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,617 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:35,618 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,624 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-03-23 11:59:35,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:35,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:35,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:35,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:35,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,662 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,669 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:33 [2018-03-23 11:59:35,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:59:35,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:35,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2018-03-23 11:59:35,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:35,757 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,761 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,772 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:57 [2018-03-23 11:59:35,809 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,810 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,811 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-23 11:59:35,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,823 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:59 [2018-03-23 11:59:35,861 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 49 [2018-03-23 11:59:35,865 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-03-23 11:59:35,866 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,892 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 49 [2018-03-23 11:59:35,899 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:35,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-03-23 11:59:35,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,907 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:35,922 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:81, output treesize:79 [2018-03-23 11:59:36,026 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,027 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,028 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,030 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 127 [2018-03-23 11:59:36,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:36,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,050 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,067 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,068 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 123 [2018-03-23 11:59:36,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:36,075 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,088 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,101 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:138, output treesize:106 [2018-03-23 11:59:36,144 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 188 [2018-03-23 11:59:36,154 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:36,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,197 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,199 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 152 [2018-03-23 11:59:36,205 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-03-23 11:59:36,206 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,222 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,238 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:209, output treesize:177 [2018-03-23 11:59:36,336 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 165 [2018-03-23 11:59:36,345 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 189 [2018-03-23 11:59:36,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,391 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,392 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,395 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 164 [2018-03-23 11:59:36,401 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,411 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 227 [2018-03-23 11:59:36,412 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:36,450 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,469 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:203, output treesize:195 [2018-03-23 11:59:36,524 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 155 [2018-03-23 11:59:36,529 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:36,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 96 [2018-03-23 11:59:36,552 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-23 11:59:36,564 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,585 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:202, output treesize:103 [2018-03-23 11:59:36,661 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,663 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:36,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 96 [2018-03-23 11:59:36,668 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,670 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:36,674 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 103 [2018-03-23 11:59:36,674 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:36,703 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:114, output treesize:87 [2018-03-23 11:59:36,743 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,745 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 63 [2018-03-23 11:59:36,748 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,761 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2018-03-23 11:59:36,761 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:36,774 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:36,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:36,775 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-03-23 11:59:36,782 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:36,786 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:4 [2018-03-23 11:59:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:36,851 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:36,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2018-03-23 11:59:36,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-03-23 11:59:36,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-03-23 11:59:36,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1117, Unknown=1, NotChecked=0, Total=1260 [2018-03-23 11:59:36,852 INFO L87 Difference]: Start difference. First operand 624 states and 721 transitions. Second operand 36 states. [2018-03-23 11:59:38,139 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 99 DAG size of output 97 [2018-03-23 11:59:39,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 11:59:39,157 INFO L93 Difference]: Finished difference Result 696 states and 787 transitions. [2018-03-23 11:59:39,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-03-23 11:59:39,157 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2018-03-23 11:59:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 11:59:39,159 INFO L225 Difference]: With dead ends: 696 [2018-03-23 11:59:39,159 INFO L226 Difference]: Without dead ends: 693 [2018-03-23 11:59:39,160 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1199 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=617, Invalid=3670, Unknown=3, NotChecked=0, Total=4290 [2018-03-23 11:59:39,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2018-03-23 11:59:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 622. [2018-03-23 11:59:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2018-03-23 11:59:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 718 transitions. [2018-03-23 11:59:39,199 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 718 transitions. Word has length 74 [2018-03-23 11:59:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 11:59:39,199 INFO L459 AbstractCegarLoop]: Abstraction has 622 states and 718 transitions. [2018-03-23 11:59:39,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-03-23 11:59:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 718 transitions. [2018-03-23 11:59:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-03-23 11:59:39,200 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 11:59:39,200 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 11:59:39,200 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-23 11:59:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash -562929573, now seen corresponding path program 1 times [2018-03-23 11:59:39,200 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 11:59:39,200 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 11:59:39,201 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:39,201 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-03-23 11:59:39,201 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 11:59:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:39,215 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 11:59:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:40,159 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-03-23 11:59:40,159 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-03-23 11:59:40,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 11:59:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 11:59:40,192 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-23 11:59:40,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:40,201 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,211 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,212 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-23 11:59:40,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-03-23 11:59:40,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:40,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:40,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-23 11:59:40,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-23 11:59:40,266 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:42 [2018-03-23 11:59:40,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-03-23 11:59:40,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-03-23 11:59:40,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:40,398 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,399 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,408 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:69, output treesize:56 [2018-03-23 11:59:40,453 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-03-23 11:59:40,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:40,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,480 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-03-23 11:59:40,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-23 11:59:40,484 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,488 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,500 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:82, output treesize:78 [2018-03-23 11:59:40,553 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,554 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,554 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-23 11:59:40,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,568 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:76 [2018-03-23 11:59:40,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2018-03-23 11:59:40,622 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-03-23 11:59:40,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,656 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-03-23 11:59:40,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-23 11:59:40,665 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,672 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,687 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:101, output treesize:79 [2018-03-23 11:59:40,834 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 40 [2018-03-23 11:59:40,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-03-23 11:59:40,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:40,859 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:112 [2018-03-23 11:59:40,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,916 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,916 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 121 [2018-03-23 11:59:40,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:40,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,963 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:40,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-03-23 11:59:40,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-03-23 11:59:40,970 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,978 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:40,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:40,997 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:138, output treesize:122 [2018-03-23 11:59:41,065 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,067 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 146 [2018-03-23 11:59:41,075 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:59:41,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:41,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:41,122 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-03-23 11:59:41,130 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-03-23 11:59:41,131 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:41,141 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:41,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:41,162 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:189, output treesize:165 [2018-03-23 11:59:41,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-23 11:59:41,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:41,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:41,263 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:174, output treesize:173 [2018-03-23 11:59:41,410 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,418 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:41,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 160 treesize of output 166 [2018-03-23 11:59:41,454 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-23 11:59:41,472 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-03-23 11:59:41,472 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:42,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 156 [2018-03-23 11:59:42,073 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:42,246 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:42,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 122 [2018-03-23 11:59:42,248 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:42,389 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:42,390 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:42,390 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:42,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 122 [2018-03-23 11:59:42,393 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:42,529 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:42,796 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:42,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-03-23 11:59:43,088 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:43,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 215 [2018-03-23 11:59:43,097 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:43,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-03-23 11:59:43,098 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,128 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,132 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:43,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 141 [2018-03-23 11:59:43,140 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:43,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-03-23 11:59:43,140 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,166 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,169 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:43,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 158 [2018-03-23 11:59:43,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:43,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-23 11:59:43,183 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,213 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,216 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:43,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 174 treesize of output 238 [2018-03-23 11:59:43,258 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-23 11:59:43,269 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:43,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 200 [2018-03-23 11:59:43,270 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:43,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 170 [2018-03-23 11:59:43,992 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,073 INFO L267 ElimStorePlain]: Start of recursive call 15: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 128 [2018-03-23 11:59:44,087 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:44,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-23 11:59:44,087 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,112 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 14 dim-0 vars, and 5 xjuncts. [2018-03-23 11:59:44,282 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 4 variables, input treesize:198, output treesize:865 [2018-03-23 11:59:44,625 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 236 DAG size of output 153 [2018-03-23 11:59:44,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 153 [2018-03-23 11:59:44,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:44,660 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:44,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-03-23 11:59:44,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 176 [2018-03-23 11:59:44,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-23 11:59:44,851 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:44,890 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:45,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 203 treesize of output 254 [2018-03-23 11:59:45,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 210 [2018-03-23 11:59:45,063 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:45,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 199 [2018-03-23 11:59:45,397 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:45,498 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:45,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 3 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-03-23 11:59:45,618 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 11 variables, input treesize:521, output treesize:513 [2018-03-23 11:59:46,405 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 169 DAG size of output 163 [2018-03-23 11:59:46,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 144 [2018-03-23 11:59:46,452 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:46,453 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,491 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:46,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-23 11:59:46,492 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,524 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2018-03-23 11:59:46,526 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:46,555 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:46,684 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 165 [2018-03-23 11:59:46,689 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:46,690 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-23 11:59:46,727 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,759 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:46,759 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,787 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,892 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,893 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 112 [2018-03-23 11:59:46,897 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:46,897 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-03-23 11:59:46,925 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,947 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:46,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:46,948 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:46,966 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 93 [2018-03-23 11:59:47,063 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:47,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-23 11:59:47,064 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-23 11:59:47,089 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,111 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:47,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-23 11:59:47,111 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,129 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,215 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:47,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 214 treesize of output 226 [2018-03-23 11:59:47,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 191 [2018-03-23 11:59:47,238 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,619 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:47,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 183 [2018-03-23 11:59:47,620 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:47,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 199 [2018-03-23 11:59:47,974 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:48,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 190 [2018-03-23 11:59:48,329 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:48,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 179 [2018-03-23 11:59:48,674 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:49,028 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:49,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 184 [2018-03-23 11:59:49,028 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:49,368 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:49,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:49,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 167 [2018-03-23 11:59:49,372 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:49,755 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:49,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 157 [2018-03-23 11:59:49,758 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:50,088 INFO L267 ElimStorePlain]: Start of recursive call 18: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:50,160 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,163 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 151 treesize of output 138 [2018-03-23 11:59:50,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,182 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:50,194 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 124 [2018-03-23 11:59:50,195 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:50,442 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,443 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:50,445 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 94 [2018-03-23 11:59:50,448 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:50,639 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-03-23 11:59:50,639 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:50,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 65 [2018-03-23 11:59:50,825 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:50,991 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:50,991 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:50,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 89 [2018-03-23 11:59:50,993 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:51,142 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:51,143 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:51,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 77 [2018-03-23 11:59:51,144 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:51,290 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:51,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 113 [2018-03-23 11:59:51,291 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:51,431 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:51,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 98 [2018-03-23 11:59:51,433 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:51,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 87 [2018-03-23 11:59:51,570 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:51,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 76 [2018-03-23 11:59:51,708 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:51,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 102 [2018-03-23 11:59:51,847 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:51,979 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:51,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 105 [2018-03-23 11:59:51,979 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:52,107 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:52,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 91 [2018-03-23 11:59:52,108 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:52,228 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:52,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 89 [2018-03-23 11:59:52,229 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:52,472 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:52,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 78 [2018-03-23 11:59:52,474 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:52,592 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:52,592 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:52,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 81 [2018-03-23 11:59:52,593 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-23 11:59:52,709 INFO L267 ElimStorePlain]: Start of recursive call 27: 17 dim-1 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-03-23 11:59:52,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: 20 dim-0 vars, and 7 xjuncts. [2018-03-23 11:59:52,869 INFO L202 ElimStorePlain]: Needed 43 recursive calls to eliminate 16 variables, input treesize:551, output treesize:423 [2018-03-23 11:59:53,174 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:53,175 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:53,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 73 [2018-03-23 11:59:53,176 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,220 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:53,221 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:53,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 80 [2018-03-23 11:59:53,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-03-23 11:59:53,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:156, output treesize:136 [2018-03-23 11:59:53,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 71 [2018-03-23 11:59:53,385 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:53,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2018-03-23 11:59:53,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2018-03-23 11:59:53,425 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 39 [2018-03-23 11:59:53,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2018-03-23 11:59:53,493 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,523 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:53,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2018-03-23 11:59:53,524 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 83 [2018-03-23 11:59:53,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 56 [2018-03-23 11:59:53,590 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 60 [2018-03-23 11:59:53,680 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-03-23 11:59:53,769 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-03-23 11:59:53,857 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:53,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 54 [2018-03-23 11:59:53,943 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 58 [2018-03-23 11:59:54,029 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-03-23 11:59:54,125 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:54,126 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:54,126 INFO L700 Elim1Store]: detected not equals via solver [2018-03-23 11:59:54,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 65 [2018-03-23 11:59:54,127 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2018-03-23 11:59:54,226 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2018-03-23 11:59:54,228 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,331 INFO L682 Elim1Store]: detected equality via solver [2018-03-23 11:59:54,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2018-03-23 11:59:54,332 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 50 [2018-03-23 11:59:54,430 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-03-23 11:59:54,523 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-03-23 11:59:54,606 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-23 11:59:54,673 INFO L267 ElimStorePlain]: Start of recursive call 8: 12 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-23 11:59:54,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-23 11:59:54,753 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 12 variables, input treesize:151, output treesize:56 [2018-03-23 11:59:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 11:59:54,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-23 11:59:54,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29] total 49 [2018-03-23 11:59:54,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-03-23 11:59:54,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-03-23 11:59:54,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2175, Unknown=0, NotChecked=0, Total=2352 [2018-03-23 11:59:54,956 INFO L87 Difference]: Start difference. First operand 622 states and 718 transitions. Second operand 49 states. [2018-03-23 11:59:57,015 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 116 DAG size of output 95 [2018-03-23 11:59:57,292 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 187 DAG size of output 131 [2018-03-23 11:59:57,888 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 196 DAG size of output 139 [2018-03-23 11:59:58,430 WARN L151 SmtUtils]: Spent 299ms on a formula simplification. DAG size of input: 279 DAG size of output 225 [2018-03-23 11:59:59,107 WARN L151 SmtUtils]: Spent 428ms on a formula simplification. DAG size of input: 282 DAG size of output 224 [2018-03-23 11:59:59,783 WARN L151 SmtUtils]: Spent 442ms on a formula simplification. DAG size of input: 291 DAG size of output 230 Received shutdown request... [2018-03-23 12:00:00,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-03-23 12:00:00,412 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-23 12:00:00,417 WARN L197 ceAbstractionStarter]: Timeout [2018-03-23 12:00:00,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:00:00 BoogieIcfgContainer [2018-03-23 12:00:00,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:00:00,418 INFO L168 Benchmark]: Toolchain (without parser) took 118045.81 ms. Allocated memory was 308.8 MB in the beginning and 677.4 MB in the end (delta: 368.6 MB). Free memory was 247.5 MB in the beginning and 453.0 MB in the end (delta: -205.5 MB). Peak memory consumption was 163.1 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:00,419 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:00:00,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.11 ms. Allocated memory is still 308.8 MB. Free memory was 246.5 MB in the beginning and 218.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:00,419 INFO L168 Benchmark]: Boogie Preprocessor took 67.26 ms. Allocated memory is still 308.8 MB. Free memory was 218.6 MB in the beginning and 215.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:00,419 INFO L168 Benchmark]: RCFGBuilder took 761.64 ms. Allocated memory was 308.8 MB in the beginning and 473.4 MB in the end (delta: 164.6 MB). Free memory was 215.6 MB in the beginning and 387.1 MB in the end (delta: -171.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:00,420 INFO L168 Benchmark]: TraceAbstraction took 116861.18 ms. Allocated memory was 473.4 MB in the beginning and 677.4 MB in the end (delta: 203.9 MB). Free memory was 387.1 MB in the beginning and 453.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 138.1 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:00,421 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 351.11 ms. Allocated memory is still 308.8 MB. Free memory was 246.5 MB in the beginning and 218.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 67.26 ms. Allocated memory is still 308.8 MB. Free memory was 218.6 MB in the beginning and 215.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 761.64 ms. Allocated memory was 308.8 MB in the beginning and 473.4 MB in the end (delta: 164.6 MB). Free memory was 215.6 MB in the beginning and 387.1 MB in the end (delta: -171.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 116861.18 ms. Allocated memory was 473.4 MB in the beginning and 677.4 MB in the end (delta: 203.9 MB). Free memory was 387.1 MB in the beginning and 453.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 138.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1045]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 995]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1056]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1056). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1000]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1035]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1000]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1045]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1056]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1056). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 990]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 990). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 995]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1035]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (622states) and interpolant automaton (currently 32 states, 49 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 315. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 195 locations, 65 error locations. TIMEOUT Result, 116.8s OverallTime, 27 OverallIterations, 3 TraceHistogramMax, 65.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3447 SDtfs, 29791 SDslu, 34274 SDs, 0 SdLazy, 26247 SolverSat, 2975 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1845 GetRequests, 680 SyntacticMatches, 47 SemanticMatches, 1117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20752 ImplicationChecksByTransitivity, 67.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred in iteration=25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 3073 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 48.9s InterpolantComputationTime, 2119 NumberOfCodeBlocks, 2119 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2079 ConstructedInterpolants, 440 QuantifiedInterpolants, 6611654 SizeOfPredicates, 276 NumberOfNonLiveVariables, 3110 ConjunctsInSsa, 665 ConjunctsInUnsatCore, 40 InterpolantComputations, 16 PerfectInterpolantSequences, 19/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-23_12-00-00-431.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-00-00-431.csv Completed graceful shutdown