/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:54:57,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:54:57,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:54:57,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:54:57,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:54:57,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:54:57,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:54:57,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:54:57,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:54:57,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:54:58,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:54:58,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:54:58,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:54:58,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:54:58,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:54:58,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:54:58,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:54:58,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:54:58,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:54:58,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:54:58,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:54:58,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:54:58,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:54:58,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:54:58,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:54:58,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:54:58,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:54:58,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:54:58,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:54:58,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:54:58,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:54:58,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:54:58,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:54:58,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:54:58,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:54:58,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:54:58,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:54:58,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:54:58,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:54:58,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:54:58,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:54:58,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:54:58,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:54:58,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:54:58,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:54:58,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:54:58,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:54:58,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:54:58,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:54:58,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:54:58,116 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:54:58,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:54:58,117 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:54:58,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:54:58,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:54:58,119 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:54:58,119 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:54:58,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:54:58,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:54:58,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:54:58,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:54:58,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:54:58,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:54:58,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:54:58,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:54:58,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:54:58,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:54:58,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:54:58,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:54:58,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:54:58,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:54:58,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:54:58,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:54:58,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:54:58,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:54:58,543 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:54:58,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2022-10-16 16:54:58,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e129a1b8/35588bd251df4328a78102c1221e4915/FLAGf48043003 [2022-10-16 16:54:59,340 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:54:59,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2022-10-16 16:54:59,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e129a1b8/35588bd251df4328a78102c1221e4915/FLAGf48043003 [2022-10-16 16:54:59,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e129a1b8/35588bd251df4328a78102c1221e4915 [2022-10-16 16:54:59,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:54:59,403 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:54:59,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:54:59,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:54:59,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:54:59,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:59" (1/1) ... [2022-10-16 16:54:59,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315cf2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:59, skipping insertion in model container [2022-10-16 16:54:59,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:59" (1/1) ... [2022-10-16 16:54:59,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:54:59,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:54:59,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2022-10-16 16:55:00,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:55:00,066 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:55:00,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2022-10-16 16:55:00,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:55:00,319 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:55:00,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00 WrapperNode [2022-10-16 16:55:00,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:55:00,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:55:00,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:55:00,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:55:00,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,413 INFO L138 Inliner]: procedures = 144, calls = 393, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 742 [2022-10-16 16:55:00,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:55:00,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:55:00,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:55:00,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:55:00,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:55:00,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:55:00,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:55:00,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:55:00,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (1/1) ... [2022-10-16 16:55:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:55:00,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:55:00,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:55:00,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:55:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 16:55:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 16:55:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 16:55:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 16:55:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:55:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 16:55:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 16:55:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-10-16 16:55:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-10-16 16:55:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 16:55:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:55:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:55:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 16:55:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-10-16 16:55:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-10-16 16:55:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:55:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:55:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:55:00,867 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:55:00,872 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:55:01,218 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2022-10-16 16:55:01,218 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:55:01,218 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2022-10-16 16:55:01,218 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:55:01,219 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: SUMMARY for call __CS_cs(); srcloc: null [2022-10-16 16:55:01,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2022-10-16 16:55:01,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:55:05,578 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:55:05,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:55:05,588 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 16:55:05,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:55:05 BoogieIcfgContainer [2022-10-16 16:55:05,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:55:05,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:55:05,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:55:05,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:55:05,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:54:59" (1/3) ... [2022-10-16 16:55:05,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4ba844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:55:05, skipping insertion in model container [2022-10-16 16:55:05,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:55:00" (2/3) ... [2022-10-16 16:55:05,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4ba844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:55:05, skipping insertion in model container [2022-10-16 16:55:05,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:55:05" (3/3) ... [2022-10-16 16:55:05,600 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-2.i [2022-10-16 16:55:05,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:55:05,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 16:55:05,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:55:05,694 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71b0b4c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:55:05,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 16:55:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 129 states have (on average 1.4108527131782946) internal successors, (182), 145 states have internal predecessors, (182), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-10-16 16:55:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 16:55:05,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:05,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 16:55:05,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:05,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:05,716 INFO L85 PathProgramCache]: Analyzing trace with hash 215742701, now seen corresponding path program 1 times [2022-10-16 16:55:05,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:05,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4561796] [2022-10-16 16:55:05,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:06,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:06,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4561796] [2022-10-16 16:55:06,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4561796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:06,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:06,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:06,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023467333] [2022-10-16 16:55:06,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:06,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:06,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:06,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:06,190 INFO L87 Difference]: Start difference. First operand has 217 states, 129 states have (on average 1.4108527131782946) internal successors, (182), 145 states have internal predecessors, (182), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:06,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:06,316 INFO L93 Difference]: Finished difference Result 431 states and 702 transitions. [2022-10-16 16:55:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:06,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 16:55:06,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:06,334 INFO L225 Difference]: With dead ends: 431 [2022-10-16 16:55:06,335 INFO L226 Difference]: Without dead ends: 111 [2022-10-16 16:55:06,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:06,353 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:06,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 601 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:55:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-16 16:55:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2022-10-16 16:55:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 88 states have internal predecessors, (117), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2022-10-16 16:55:06,416 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 5 [2022-10-16 16:55:06,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:06,419 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2022-10-16 16:55:06,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-10-16 16:55:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:55:06,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:06,421 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:06,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:55:06,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:06,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1919977775, now seen corresponding path program 1 times [2022-10-16 16:55:06,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:06,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821721508] [2022-10-16 16:55:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:55:06,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:06,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821721508] [2022-10-16 16:55:06,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821721508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:06,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:06,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:06,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783670524] [2022-10-16 16:55:06,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:06,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:06,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:06,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:06,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:06,661 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:06,712 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2022-10-16 16:55:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:06,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 16:55:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:06,718 INFO L225 Difference]: With dead ends: 111 [2022-10-16 16:55:06,718 INFO L226 Difference]: Without dead ends: 110 [2022-10-16 16:55:06,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:06,723 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:06,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 289 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:55:06,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-10-16 16:55:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-10-16 16:55:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 76 states have (on average 1.5263157894736843) internal successors, (116), 87 states have internal predecessors, (116), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 153 transitions. [2022-10-16 16:55:06,753 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 153 transitions. Word has length 8 [2022-10-16 16:55:06,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:06,754 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 153 transitions. [2022-10-16 16:55:06,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 153 transitions. [2022-10-16 16:55:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 16:55:06,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:06,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:06,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:55:06,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:06,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:06,760 INFO L85 PathProgramCache]: Analyzing trace with hash -610232599, now seen corresponding path program 1 times [2022-10-16 16:55:06,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:06,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694111772] [2022-10-16 16:55:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:06,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:06,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694111772] [2022-10-16 16:55:06,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694111772] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:55:06,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692254062] [2022-10-16 16:55:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:06,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:55:06,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:55:06,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:55:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:07,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:55:07,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:55:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:55:07,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:55:07,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692254062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:07,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:55:07,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:55:07,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018030132] [2022-10-16 16:55:07,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:07,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:07,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:07,149 INFO L87 Difference]: Start difference. First operand 110 states and 153 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:07,238 INFO L93 Difference]: Finished difference Result 217 states and 304 transitions. [2022-10-16 16:55:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:07,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 16:55:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:07,242 INFO L225 Difference]: With dead ends: 217 [2022-10-16 16:55:07,242 INFO L226 Difference]: Without dead ends: 121 [2022-10-16 16:55:07,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:07,244 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:07,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 285 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:55:07,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-10-16 16:55:07,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2022-10-16 16:55:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 85 states have (on average 1.4941176470588236) internal successors, (127), 96 states have internal predecessors, (127), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 164 transitions. [2022-10-16 16:55:07,260 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 164 transitions. Word has length 9 [2022-10-16 16:55:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:07,261 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 164 transitions. [2022-10-16 16:55:07,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2022-10-16 16:55:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 16:55:07,262 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:07,262 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:55:07,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:55:07,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:07,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:07,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:07,478 INFO L85 PathProgramCache]: Analyzing trace with hash -610230870, now seen corresponding path program 1 times [2022-10-16 16:55:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:07,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759860725] [2022-10-16 16:55:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:07,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:07,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759860725] [2022-10-16 16:55:07,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759860725] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:55:07,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049000226] [2022-10-16 16:55:07,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:07,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:07,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:55:07,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:55:07,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:55:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:07,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:55:07,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:55:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:07,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:55:07,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049000226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:07,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:55:07,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 16:55:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253999662] [2022-10-16 16:55:07,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:07,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:55:07,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:07,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:55:07,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:07,859 INFO L87 Difference]: Start difference. First operand 119 states and 164 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:07,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:07,922 INFO L93 Difference]: Finished difference Result 119 states and 164 transitions. [2022-10-16 16:55:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:55:07,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 16:55:07,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:07,925 INFO L225 Difference]: With dead ends: 119 [2022-10-16 16:55:07,925 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 16:55:07,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:07,927 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 42 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:07,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 267 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:55:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 16:55:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2022-10-16 16:55:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 81 states have (on average 1.4938271604938271) internal successors, (121), 91 states have internal predecessors, (121), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 158 transitions. [2022-10-16 16:55:07,942 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 158 transitions. Word has length 9 [2022-10-16 16:55:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:07,943 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 158 transitions. [2022-10-16 16:55:07,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2022-10-16 16:55:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 16:55:07,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:07,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:07,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:55:08,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 16:55:08,160 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:08,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1737341127, now seen corresponding path program 1 times [2022-10-16 16:55:08,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:08,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927722490] [2022-10-16 16:55:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:08,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:08,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:08,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927722490] [2022-10-16 16:55:08,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927722490] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:55:08,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419672407] [2022-10-16 16:55:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:08,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:55:08,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:55:08,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:55:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:08,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:55:08,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:55:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:55:08,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:55:08,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419672407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:08,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:55:08,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:55:08,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795265540] [2022-10-16 16:55:08,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:08,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:08,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:08,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:08,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:08,608 INFO L87 Difference]: Start difference. First operand 114 states and 158 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:08,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:08,644 INFO L93 Difference]: Finished difference Result 114 states and 158 transitions. [2022-10-16 16:55:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:08,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 16:55:08,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:08,647 INFO L225 Difference]: With dead ends: 114 [2022-10-16 16:55:08,647 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 16:55:08,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:08,649 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 16 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:08,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 262 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:55:08,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 16:55:08,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-10-16 16:55:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2022-10-16 16:55:08,662 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 10 [2022-10-16 16:55:08,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:08,662 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2022-10-16 16:55:08,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2022-10-16 16:55:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 16:55:08,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:08,664 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:55:08,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:55:08,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:08,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:08,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1787656210, now seen corresponding path program 1 times [2022-10-16 16:55:08,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:08,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588633144] [2022-10-16 16:55:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 16:55:09,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:09,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588633144] [2022-10-16 16:55:09,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588633144] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:55:09,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770504162] [2022-10-16 16:55:09,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:09,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:55:09,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:55:09,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:55:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:09,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:55:09,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:55:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 16:55:09,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:55:09,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770504162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:09,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:55:09,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:55:09,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145048659] [2022-10-16 16:55:09,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:09,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:09,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:09,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:09,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:09,279 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:09,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:09,317 INFO L93 Difference]: Finished difference Result 113 states and 157 transitions. [2022-10-16 16:55:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:09,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 16:55:09,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:09,320 INFO L225 Difference]: With dead ends: 113 [2022-10-16 16:55:09,320 INFO L226 Difference]: Without dead ends: 112 [2022-10-16 16:55:09,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:55:09,322 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:09,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 279 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:55:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-10-16 16:55:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2022-10-16 16:55:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 75 states have (on average 1.4933333333333334) internal successors, (112), 83 states have internal predecessors, (112), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:55:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 149 transitions. [2022-10-16 16:55:09,335 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 149 transitions. Word has length 17 [2022-10-16 16:55:09,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:09,335 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 149 transitions. [2022-10-16 16:55:09,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2022-10-16 16:55:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:55:09,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:09,339 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:55:09,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:55:09,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:55:09,554 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~$Pointer$Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:55:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1161019221, now seen corresponding path program 1 times [2022-10-16 16:55:09,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:09,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123912345] [2022-10-16 16:55:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms