/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:57:20,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:57:20,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:57:20,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:57:20,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:57:20,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:57:20,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:57:20,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:57:20,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:57:20,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:57:20,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:57:20,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:57:20,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:57:20,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:57:20,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:57:20,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:57:20,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:57:20,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:57:20,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:57:20,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:57:20,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:57:20,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:57:20,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:57:20,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:57:20,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:57:20,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:57:20,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:57:20,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:57:20,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:57:20,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:57:20,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:57:20,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:57:20,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:57:20,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:57:20,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:57:20,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:57:20,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:57:20,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:57:20,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:57:20,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:57:20,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:57:20,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:57:20,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:57:20,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:57:20,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:57:20,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:57:20,700 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:57:20,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:57:20,700 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:57:20,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:57:20,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:57:20,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:57:20,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:57:20,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:57:20,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:57:20,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:57:20,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:57:20,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:57:20,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:57:20,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:57:20,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:57:20,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:57:20,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:57:20,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:57:20,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:57:20,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:57:20,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:57:20,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:57:20,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:20,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:57:20,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:57:20,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:57:20,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:57:20,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:57:21,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:57:21,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:57:21,004 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:57:21,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 13:57:21,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45032d548/17e643a4247e49279307943a0d18ed7e/FLAG4076e86a0 [2020-07-20 13:57:21,743 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:57:21,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 13:57:21,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45032d548/17e643a4247e49279307943a0d18ed7e/FLAG4076e86a0 [2020-07-20 13:57:22,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45032d548/17e643a4247e49279307943a0d18ed7e [2020-07-20 13:57:22,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:57:22,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:57:22,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:57:22,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:57:22,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:57:22,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5526846d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22, skipping insertion in model container [2020-07-20 13:57:22,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:57:22,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:57:22,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:57:22,559 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:57:22,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:57:22,674 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:57:22,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22 WrapperNode [2020-07-20 13:57:22,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:57:22,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:57:22,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:57:22,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:57:22,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... [2020-07-20 13:57:22,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:57:22,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:57:22,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:57:22,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:57:22,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (1/1) ... No working directory specified, using /storage/repos/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 [2020-07-20 13:57:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:57:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:57:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-20 13:57:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-20 13:57:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-20 13:57:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:57:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:57:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-20 13:57:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-20 13:57:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-20 13:57:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-20 13:57:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-20 13:57:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-20 13:57:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-20 13:57:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-20 13:57:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-20 13:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 13:57:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-20 13:57:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-20 13:57:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-20 13:57:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-20 13:57:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-20 13:57:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-20 13:57:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-20 13:57:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-20 13:57:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:57:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:57:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:57:23,306 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-20 13:57:23,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:57:23,441 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-20 13:57:23,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:57:23 BoogieIcfgContainer [2020-07-20 13:57:23,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:57:23,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:57:23,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:57:23,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:57:23,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:57:22" (1/3) ... [2020-07-20 13:57:23,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d27b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:57:23, skipping insertion in model container [2020-07-20 13:57:23,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:57:22" (2/3) ... [2020-07-20 13:57:23,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d27b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:57:23, skipping insertion in model container [2020-07-20 13:57:23,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:57:23" (3/3) ... [2020-07-20 13:57:23,454 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-20 13:57:23,465 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:57:23,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:57:23,489 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:57:23,514 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:57:23,515 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:57:23,515 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:57:23,515 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:57:23,515 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:57:23,516 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:57:23,516 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:57:23,516 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:57:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-20 13:57:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-20 13:57:23,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:23,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:57:23,543 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:23,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:23,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-20 13:57:23,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:23,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190191330] [2020-07-20 13:57:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:23,735 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:57:23,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:23,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:57:23,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:57:23,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:57:23,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190191330] [2020-07-20 13:57:23,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:57:23,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:57:23,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544625672] [2020-07-20 13:57:23,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:57:23,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:23,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:57:23,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:57:23,851 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 6 states. [2020-07-20 13:57:23,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:23,991 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2020-07-20 13:57:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:57:23,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-07-20 13:57:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:24,004 INFO L225 Difference]: With dead ends: 104 [2020-07-20 13:57:24,004 INFO L226 Difference]: Without dead ends: 56 [2020-07-20 13:57:24,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:57:24,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-20 13:57:24,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-07-20 13:57:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-20 13:57:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-07-20 13:57:24,064 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 25 [2020-07-20 13:57:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:24,064 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-07-20 13:57:24,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:57:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-07-20 13:57:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-20 13:57:24,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:24,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:57:24,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:24,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:24,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1172680475, now seen corresponding path program 1 times [2020-07-20 13:57:24,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:24,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065994487] [2020-07-20 13:57:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:24,413 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:57:24,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:24,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 13:57:24,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 13:57:24,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:57:24,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065994487] [2020-07-20 13:57:24,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:57:24,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:57:24,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402803044] [2020-07-20 13:57:24,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:57:24,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:24,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:57:24,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:57:24,449 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 5 states. [2020-07-20 13:57:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:24,499 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2020-07-20 13:57:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:57:24,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-20 13:57:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:24,502 INFO L225 Difference]: With dead ends: 85 [2020-07-20 13:57:24,502 INFO L226 Difference]: Without dead ends: 53 [2020-07-20 13:57:24,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:57:24,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-20 13:57:24,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-07-20 13:57:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-20 13:57:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2020-07-20 13:57:24,515 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 34 [2020-07-20 13:57:24,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:24,515 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2020-07-20 13:57:24,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:57:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2020-07-20 13:57:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-20 13:57:24,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:24,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:57:24,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:24,733 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:24,734 INFO L82 PathProgramCache]: Analyzing trace with hash -16342086, now seen corresponding path program 1 times [2020-07-20 13:57:24,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:24,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834456335] [2020-07-20 13:57:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:24,877 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:57:24,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:24,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:57:24,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 13:57:24,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:57:24,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834456335] [2020-07-20 13:57:24,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:57:24,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:57:24,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414593995] [2020-07-20 13:57:24,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:57:24,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:57:24,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:57:24,928 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 6 states. [2020-07-20 13:57:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:25,006 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2020-07-20 13:57:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:57:25,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-20 13:57:25,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:25,009 INFO L225 Difference]: With dead ends: 88 [2020-07-20 13:57:25,010 INFO L226 Difference]: Without dead ends: 61 [2020-07-20 13:57:25,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:57:25,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-20 13:57:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2020-07-20 13:57:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-20 13:57:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2020-07-20 13:57:25,033 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 43 [2020-07-20 13:57:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:25,034 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2020-07-20 13:57:25,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:57:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2020-07-20 13:57:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-20 13:57:25,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:25,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:57:25,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:25,250 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:25,251 INFO L82 PathProgramCache]: Analyzing trace with hash 803869117, now seen corresponding path program 1 times [2020-07-20 13:57:25,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:25,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048662533] [2020-07-20 13:57:25,253 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:25,405 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:57:25,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:25,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:57:25,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:57:25,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:25,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:57:25,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048662533] [2020-07-20 13:57:25,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:57:25,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-20 13:57:25,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643265299] [2020-07-20 13:57:25,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:57:25,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:25,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:57:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:57:25,563 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 8 states. [2020-07-20 13:57:25,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:25,626 INFO L93 Difference]: Finished difference Result 99 states and 117 transitions. [2020-07-20 13:57:25,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:57:25,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-07-20 13:57:25,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:25,628 INFO L225 Difference]: With dead ends: 99 [2020-07-20 13:57:25,628 INFO L226 Difference]: Without dead ends: 62 [2020-07-20 13:57:25,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:57:25,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-20 13:57:25,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-07-20 13:57:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-20 13:57:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2020-07-20 13:57:25,640 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 44 [2020-07-20 13:57:25,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:25,641 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2020-07-20 13:57:25,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:57:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2020-07-20 13:57:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 13:57:25,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:25,643 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:57:25,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:25,856 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721938, now seen corresponding path program 2 times [2020-07-20 13:57:25,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:25,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940904288] [2020-07-20 13:57:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:26,044 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:57:26,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:26,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 13:57:26,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:57:26,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:57:26,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940904288] [2020-07-20 13:57:26,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:57:26,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-07-20 13:57:26,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399232845] [2020-07-20 13:57:26,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:57:26,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:26,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:57:26,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:57:26,137 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 5 states. [2020-07-20 13:57:26,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:26,198 INFO L93 Difference]: Finished difference Result 86 states and 99 transitions. [2020-07-20 13:57:26,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:57:26,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-07-20 13:57:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:26,200 INFO L225 Difference]: With dead ends: 86 [2020-07-20 13:57:26,201 INFO L226 Difference]: Without dead ends: 67 [2020-07-20 13:57:26,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:57:26,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-20 13:57:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-07-20 13:57:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-20 13:57:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-20 13:57:26,212 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 53 [2020-07-20 13:57:26,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:26,213 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-20 13:57:26,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:57:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-20 13:57:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:57:26,215 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:26,215 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:57:26,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:26,431 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:26,432 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 3 times [2020-07-20 13:57:26,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:26,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595930497] [2020-07-20 13:57:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:26,800 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:57:26,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:26,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 110 conjunts are in the unsatisfiable core [2020-07-20 13:57:26,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:26,862 INFO L384 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 [2020-07-20 13:57:26,863 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,866 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:26,867 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,867 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-20 13:57:26,939 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:26,940 INFO L384 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-20 13:57:26,941 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 13:57:26,942 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,943 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:26,944 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,944 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-20 13:57:26,967 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2020-07-20 13:57:26,967 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,975 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:26,979 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2020-07-20 13:57:26,980 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,986 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:26,987 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:26,988 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:10 [2020-07-20 13:57:27,232 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 19 [2020-07-20 13:57:27,232 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:27,241 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:27,242 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:27,242 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2020-07-20 13:57:27,309 INFO L384 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2020-07-20 13:57:27,310 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:27,325 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:27,366 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:27,367 INFO L384 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 109 [2020-07-20 13:57:27,370 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-07-20 13:57:27,372 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 13:57:27,373 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:27,398 INFO L624 ElimStorePlain]: treesize reduction 48, result has 43.5 percent of original size [2020-07-20 13:57:27,399 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:27,399 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:127, output treesize:37 [2020-07-20 13:57:29,327 WARN L860 $PredicateComparison]: unable to prove that (exists ((sll_update_at_~head.offset Int) (sll_update_at_~data Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_int)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset sll_update_at_~data))) (<= sll_update_at_~head.offset |c_sll_update_at_#in~head.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.offset| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.base| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.base|))) is different from true [2020-07-20 13:57:29,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 13:57:29,360 INFO L384 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 49 treesize of output 31 [2020-07-20 13:57:29,361 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:29,378 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 13:57:29,385 INFO L384 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 39 treesize of output 27 [2020-07-20 13:57:29,386 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:29,397 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,405 INFO L384 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 35 treesize of output 34 [2020-07-20 13:57:29,406 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:29,442 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,443 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:29,444 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:81, output treesize:37 [2020-07-20 13:57:29,880 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 64 [2020-07-20 13:57:29,883 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-20 13:57:29,885 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-20 13:57:29,887 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:29,909 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,933 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,934 INFO L384 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 1 case distinctions, treesize of input 40 treesize of output 38 [2020-07-20 13:57:29,935 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 13:57:29,939 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 13:57:29,941 INFO L544 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:29,978 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,991 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:29,992 INFO L384 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 1 case distinctions, treesize of input 22 treesize of output 22 [2020-07-20 13:57:29,993 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:30,060 INFO L624 ElimStorePlain]: treesize reduction 12, result has 80.6 percent of original size [2020-07-20 13:57:30,064 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:30,065 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:84, output treesize:10 [2020-07-20 13:57:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2020-07-20 13:57:30,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:30,303 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 13:57:30,711 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:30,713 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:30,715 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:30,727 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:30,732 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:30,761 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:30,765 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:30,769 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 13:57:30,786 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:30,789 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-07-20 13:57:30,789 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:129, output treesize:77 [2020-07-20 13:57:32,316 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_2 Int) (v_prenex_1 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_1 Int)) (or (< (let ((.cse0 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_prenex_1 v_prenex_2)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_prenex_1 v_DerPreprocessor_1) .cse0)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_prenex_1 v_DerPreprocessor_3) .cse0))) (+ c_main_~len~0 2)) (< c_main_~s~0.offset v_prenex_1))) (forall ((v_sll_update_at_~head.offset_16 Int) (v_DerPreprocessor_4 Int) (v_DerPreprocessor_2 Int) (v_sll_update_at_~data_11 Int)) (or (< c_main_~s~0.offset v_sll_update_at_~head.offset_16) (< c_main_~len~0 (let ((.cse1 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_sll_update_at_~head.offset_16 v_sll_update_at_~data_11)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_sll_update_at_~head.offset_16 v_DerPreprocessor_2) .cse1)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_sll_update_at_~head.offset_16 v_DerPreprocessor_4) .cse1))))))) is different from false [2020-07-20 13:57:32,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595930497] [2020-07-20 13:57:32,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 13:57:32,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-20 13:57:32,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686734431] [2020-07-20 13:57:32,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 13:57:32,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:32,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 13:57:32,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1239, Unknown=2, NotChecked=142, Total=1482 [2020-07-20 13:57:32,322 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 31 states. [2020-07-20 13:57:38,610 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 13:57:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:47,555 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2020-07-20 13:57:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-20 13:57:47,556 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-07-20 13:57:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:47,558 INFO L225 Difference]: With dead ends: 110 [2020-07-20 13:57:47,558 INFO L226 Difference]: Without dead ends: 108 [2020-07-20 13:57:47,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=299, Invalid=3476, Unknown=15, NotChecked=242, Total=4032 [2020-07-20 13:57:47,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-20 13:57:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 93. [2020-07-20 13:57:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-20 13:57:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-07-20 13:57:47,597 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 61 [2020-07-20 13:57:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:47,598 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-07-20 13:57:47,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-20 13:57:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-07-20 13:57:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:57:47,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:47,600 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:57:47,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:47,812 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:47,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:47,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 4 times [2020-07-20 13:57:47,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:47,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916611989] [2020-07-20 13:57:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:48,103 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:57:48,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:48,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:57:48,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 13:57:48,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 13:57:48,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916611989] [2020-07-20 13:57:48,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 13:57:48,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-20 13:57:48,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376113373] [2020-07-20 13:57:48,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 13:57:48,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:48,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 13:57:48,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:57:48,274 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 7 states. [2020-07-20 13:57:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:48,348 INFO L93 Difference]: Finished difference Result 133 states and 162 transitions. [2020-07-20 13:57:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:57:48,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-20 13:57:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:48,350 INFO L225 Difference]: With dead ends: 133 [2020-07-20 13:57:48,350 INFO L226 Difference]: Without dead ends: 89 [2020-07-20 13:57:48,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:57:48,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-20 13:57:48,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-20 13:57:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-20 13:57:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-20 13:57:48,365 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-20 13:57:48,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:48,366 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-20 13:57:48,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 13:57:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-20 13:57:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:57:48,368 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:48,368 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:57:48,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:48,584 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:48,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 5 times [2020-07-20 13:57:48,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:48,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408780325] [2020-07-20 13:57:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:48,900 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:57:48,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:57:48,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 13:57:48,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 13:57:49,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408780325] [2020-07-20 13:57:49,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 13:57:49,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-20 13:57:49,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449622374] [2020-07-20 13:57:49,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 13:57:49,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 13:57:49,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:57:49,057 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 7 states. [2020-07-20 13:57:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:49,146 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2020-07-20 13:57:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:57:49,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-20 13:57:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:49,148 INFO L225 Difference]: With dead ends: 132 [2020-07-20 13:57:49,148 INFO L226 Difference]: Without dead ends: 97 [2020-07-20 13:57:49,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:57:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-20 13:57:49,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2020-07-20 13:57:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-20 13:57:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2020-07-20 13:57:49,162 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 62 [2020-07-20 13:57:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:49,163 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2020-07-20 13:57:49,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 13:57:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2020-07-20 13:57:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:57:49,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:49,165 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:57:49,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:49,376 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:49,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:49,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 6 times [2020-07-20 13:57:49,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:49,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342873132] [2020-07-20 13:57:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:49,545 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:57:49,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:49,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:57:49,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 13:57:49,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 13:57:49,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342873132] [2020-07-20 13:57:49,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:57:49,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-20 13:57:49,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478530992] [2020-07-20 13:57:49,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 13:57:49,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:49,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 13:57:49,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:57:49,731 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 9 states. [2020-07-20 13:57:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:49,823 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2020-07-20 13:57:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:57:49,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-20 13:57:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:49,825 INFO L225 Difference]: With dead ends: 104 [2020-07-20 13:57:49,825 INFO L226 Difference]: Without dead ends: 63 [2020-07-20 13:57:49,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 13:57:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-20 13:57:49,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-20 13:57:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-20 13:57:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-07-20 13:57:49,834 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-07-20 13:57:49,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:49,834 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-07-20 13:57:49,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 13:57:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-07-20 13:57:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 13:57:49,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:57:49,836 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 13:57:50,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:50,046 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:57:50,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:57:50,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-20 13:57:50,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:57:50,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767478575] [2020-07-20 13:57:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:50,701 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:57:50,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:57:50,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-20 13:57:50,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:57:50,750 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2020-07-20 13:57:50,750 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:50,767 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:50,767 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:50,767 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-07-20 13:57:50,866 INFO L384 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 22 treesize of output 10 [2020-07-20 13:57:50,866 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 13:57:50,871 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:50,872 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 13:57:50,872 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2020-07-20 13:57:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 13:57:50,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:57:51,000 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,001 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 13:57:51,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 13:57:51,200 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,201 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,201 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,202 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:57:51,223 INFO L384 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 28 treesize of output 24 [2020-07-20 13:57:51,224 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-20 13:57:51,232 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 13:57:51,232 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-07-20 13:57:51,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:13 [2020-07-20 13:57:51,276 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 13:57:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 13:57:51,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767478575] [2020-07-20 13:57:51,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:57:51,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2020-07-20 13:57:51,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155244961] [2020-07-20 13:57:51,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 13:57:51,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:57:51,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 13:57:51,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-20 13:57:51,305 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 17 states. [2020-07-20 13:57:51,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:57:51,732 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-07-20 13:57:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 13:57:51,733 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-07-20 13:57:51,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:57:51,734 INFO L225 Difference]: With dead ends: 64 [2020-07-20 13:57:51,734 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:57:51,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2020-07-20 13:57:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:57:51,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:57:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:57:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:57:51,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-07-20 13:57:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:57:51,737 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:57:51,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 13:57:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:57:51,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:57:51,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:57:51,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:57:52,302 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2020-07-20 13:57:52,435 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-07-20 13:57:52,777 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-07-20 13:57:52,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:57:52,923 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-20 13:57:52,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:57:52,923 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-20 13:57:52,924 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-20 13:57:52,924 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-20 13:57:52,924 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-20 13:57:52,924 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-20 13:57:52,924 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-20 13:57:52,924 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-20 13:57:52,924 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-20 13:57:52,924 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|)) (.cse4 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse2 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse3 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (and .cse0 .cse1 (<= 2 |sll_update_at_#in~index|) .cse2 .cse3) (and (<= sll_update_at_~index |sll_update_at_#in~index|) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse0 .cse4 .cse1 (<= |sll_update_at_#in~index| sll_update_at_~index) .cse3) (let ((.cse5 (+ |sll_update_at_#in~head.offset| 4))) (and (<= 1 |sll_update_at_#in~index|) (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse5) sll_update_at_~head.offset) .cse0 .cse4 .cse1 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse5)) .cse2 .cse3)))) [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-20 13:57:52,925 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-20 13:57:52,926 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-20 13:57:52,926 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0) (and (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) sll_create_~head~0.base)) .cse0))) [2020-07-20 13:57:52,926 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-20 13:57:52,926 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 13:57:52,926 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-20 13:57:52,926 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-20 13:57:52,926 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-20 13:57:52,927 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-20 13:57:52,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:57:52,927 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 13:57:52,927 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:57:52,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:57:52,927 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-20 13:57:52,927 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-20 13:57:52,927 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (<= 2 |sll_get_data_at_#in~index|) (forall ((v_main_~s~0.offset_BEFORE_CALL_3 Int) (v_main_~s~0.base_BEFORE_CALL_3 Int)) (let ((.cse1 (+ v_main_~s~0.offset_BEFORE_CALL_3 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) .cse1))) (or (= v_main_~s~0.base_BEFORE_CALL_3 .cse0) (not (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_3) .cse1)) 3)))))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index)) (let ((.cse2 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse2)) (<= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)) (< 0 |sll_get_data_at_#in~index|) (<= sll_get_data_at_~index 0) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse2))))) [2020-07-20 13:57:52,928 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-20 13:57:52,928 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-20 13:57:52,928 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse2 (+ main_~s~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse2))) (let ((.cse3 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (not (= .cse1 main_~s~0.base))) (.cse5 (<= main_~i~0 1)) (.cse0 (* main_~len~0 2))) (or (and (<= 0 main_~i~0) (<= main_~len~0 2) (= .cse0 (+ (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse2)) 1)) (<= 2 main_~len~0) .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse5 (= .cse0 (+ main_~new_data~0 1)) (<= 1 main_~i~0)))))) [2020-07-20 13:57:52,928 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-20 13:57:52,928 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-20 13:57:52,928 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse2 (+ main_~s~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse2)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= main_~len~0 2) (<= .cse0 main_~len~0) (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse2)) 1)) (<= 2 main_~len~0) (not (= .cse1 main_~s~0.base)) (<= main_~len~0 .cse0) (<= main_~i~0 1)))) [2020-07-20 13:57:52,928 INFO L264 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-20 13:57:52,928 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 13:57:52,929 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse6 (* main_~len~0 2)) (.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse2 (<= main_~len~0 2)) (.cse4 (= .cse6 (+ (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)) 1))) (.cse5 (<= 2 main_~len~0)) (.cse0 (not (= .cse7 main_~s~0.base))) (.cse1 (<= main_~i~0 1))) (or (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 (<= 1 main_~i~0)) (let ((.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse2 (<= .cse3 main_~len~0) .cse4 .cse5 .cse0 (<= main_~len~0 .cse3) .cse1)) (and (<= 0 main_~i~0) .cse2 .cse4 .cse5 .cse0 .cse1 (= .cse6 (+ main_~new_data~0 1))))))) [2020-07-20 13:57:52,929 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-20 13:57:52,929 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-20 13:57:52,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-20 13:57:52,929 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-20 13:57:52,929 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-20 13:57:52,930 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-20 13:57:52,930 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 13:57:52,930 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 13:57:52,930 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse3))) (let ((.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse1 (select (select |#memory_int| .cse2) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse3)))) (and (<= 0 main_~i~0) (<= .cse0 main_~len~0) (= (* main_~len~0 2) (+ .cse1 1)) (not (= .cse2 main_~s~0.base)) (<= main_~len~0 .cse0) (<= main_~i~0 1) (= (+ main_~i~0 2) main_~expected~0) (= .cse1 3))))) [2020-07-20 13:57:52,930 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-20 13:57:52,930 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-20 13:57:52,930 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 13:57:52,930 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-20 13:57:52,930 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-20 13:57:52,931 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-20 13:57:52,931 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-20 13:57:52,931 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-20 13:57:52,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:52,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:52,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:52,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:52,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:52,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:57:52 BoogieIcfgContainer [2020-07-20 13:57:52,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:57:53,000 INFO L168 Benchmark]: Toolchain (without parser) took 30977.16 ms. Allocated memory was 137.9 MB in the beginning and 326.6 MB in the end (delta: 188.7 MB). Free memory was 99.8 MB in the beginning and 129.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:57:53,001 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:57:53,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.83 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 166.9 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:57:53,002 INFO L168 Benchmark]: Boogie Preprocessor took 69.48 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 164.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:57:53,003 INFO L168 Benchmark]: RCFGBuilder took 694.49 ms. Allocated memory is still 202.4 MB. Free memory was 164.0 MB in the beginning and 117.1 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:57:53,003 INFO L168 Benchmark]: TraceAbstraction took 29551.76 ms. Allocated memory was 202.4 MB in the beginning and 326.6 MB in the end (delta: 124.3 MB). Free memory was 116.1 MB in the beginning and 129.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:57:53,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.83 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 166.9 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.48 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 164.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 694.49 ms. Allocated memory is still 202.4 MB. Free memory was 164.0 MB in the beginning and 117.1 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29551.76 ms. Allocated memory was 202.4 MB in the beginning and 326.6 MB in the end (delta: 124.3 MB). Free memory was 116.1 MB in the beginning and 129.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant [2020-07-20 13:57:53,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 13:57:53,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) || (forall v_main_~s~0.offset_BEFORE_CALL_3 : int, v_main_~s~0.base_BEFORE_CALL_3 : int :: v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4] || !(unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]] == 3))) || ((head == head && head == head) && \old(index) == index)) || ((((head == #memory_$Pointer$[head][head + 4] && \old(index) <= index + 1) && 0 < \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4]) - InvariantResult [Line: 611]: Loop Invariant [2020-07-20 13:57:53,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((len <= 2 && unknown-#memory_int-unknown[s][s] <= len) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1 - InvariantResult [Line: 596]: Loop Invariant [2020-07-20 13:57:53,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((1 <= \old(index) && #memory_$Pointer$[head][head + 4] == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == #memory_$Pointer$[head][head + 4]) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) - InvariantResult [Line: 607]: Loop Invariant [2020-07-20 13:57:53,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len == i + 1 && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 1 <= i) || ((((((len <= 2 && unknown-#memory_int-unknown[s][s] <= len) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1)) || ((((((0 <= i && len <= 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && len * 2 == new_data + 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-20 13:57:53,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 13:57:53,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 13:57:53,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 13:57:53,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 13:57:53,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((\valid == \old(\valid) && \old(len) <= len) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (\old(len) <= len + 1 && 1 == \valid[head])) || (!(#memory_$Pointer$[head][head + 4] == head) && 1 == \valid[head]) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 413 SDtfs, 348 SDslu, 1659 SDs, 0 SdLazy, 1717 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 925 GetRequests, 761 SyntacticMatches, 26 SemanticMatches, 138 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 48 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 78 PreInvPairs, 112 NumberOfFragments, 664 HoareAnnotationTreeSize, 78 FomulaSimplifications, 1385 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 580 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 517 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 855 ConstructedInterpolants, 8 QuantifiedInterpolants, 171019 SizeOfPredicates, 66 NumberOfNonLiveVariables, 2097 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 255/293 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...