/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-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:54:37,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:54:37,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:54:37,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:54:37,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:54:37,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:54:37,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:54:37,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:54:37,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:54:37,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:54:37,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:54:37,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:54:37,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:54:37,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:54:37,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:54:37,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:54:37,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:54:37,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:54:37,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:54:37,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:54:37,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:54:37,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:54:37,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:54:37,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:54:37,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:54:37,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:54:37,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:54:37,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:54:37,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:54:37,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:54:37,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:54:37,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:54:37,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:54:37,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:54:37,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:54:37,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:54:37,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:54:37,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:54:37,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:54:37,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:54:37,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:54:37,305 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 16:54:37,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:54:37,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:54:37,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:54:37,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:54:37,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:54:37,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:54:37,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:54:37,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:54:37,374 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:54:37,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:54:37,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:54:37,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:54:37,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:54:37,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:54:37,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:54:37,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:54:37,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:54:37,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:54:37,377 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:54:37,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:54:37,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:54:37,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:54:37,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:54:37,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:54:37,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:54:37,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:54:37,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:54:37,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:54:37,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:54:37,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:54:37,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:54:37,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:54:37,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:54:37,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:54:37,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:54:37,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:54:37,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:54:37,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:54:37,862 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:54:37,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_fib-2.i [2022-10-16 16:54:37,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd2edf0f/c385955042cf4b8b9a02d0c7fa4c5077/FLAG0150933b5 [2022-10-16 16:54:38,693 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:54:38,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib-2.i [2022-10-16 16:54:38,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd2edf0f/c385955042cf4b8b9a02d0c7fa4c5077/FLAG0150933b5 [2022-10-16 16:54:38,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd2edf0f/c385955042cf4b8b9a02d0c7fa4c5077 [2022-10-16 16:54:38,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:54:38,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:54:38,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:54:38,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:54:38,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:54:38,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:38" (1/1) ... [2022-10-16 16:54:38,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db4aaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:38, skipping insertion in model container [2022-10-16 16:54:38,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:38" (1/1) ... [2022-10-16 16:54:38,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:54:39,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:54:39,387 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-2.i[23457,23470] [2022-10-16 16:54:39,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:54:39,578 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:54:39,630 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-2.i[23457,23470] [2022-10-16 16:54:39,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:54:39,818 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:54:39,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39 WrapperNode [2022-10-16 16:54:39,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:54:39,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:54:39,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:54:39,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:54:39,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:39,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:39,958 INFO L138 Inliner]: procedures = 144, calls = 356, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 686 [2022-10-16 16:54:39,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:54:39,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:54:39,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:54:39,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:54:39,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:39,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:39,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:39,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:54:40,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:54:40,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:54:40,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:54:40,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (1/1) ... [2022-10-16 16:54:40,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:54:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:40,108 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 16:54:40,132 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 16:54:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 16:54:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-16 16:54:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-16 16:54:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 16:54:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 16:54:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 16:54:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:54:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 16:54:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 16:54:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-10-16 16:54:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-10-16 16:54:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 16:54:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:54:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 16:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-10-16 16:54:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-10-16 16:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:54:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:54:40,418 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:54:40,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:54:40,844 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 16:54:40,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:54:40,844 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 16:54:40,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:54:40,845 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: SUMMARY for call __CS_cs(); srcloc: null [2022-10-16 16:54:40,845 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: 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 16:54:40,845 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume !(0 != ~__CS_ret~0 % 256); [2022-10-16 16:54:44,660 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:54:44,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:54:44,677 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 16:54:44,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:54:44 BoogieIcfgContainer [2022-10-16 16:54:44,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:54:44,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:54:44,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:54:44,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:54:44,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:54:38" (1/3) ... [2022-10-16 16:54:44,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af2b521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:54:44, skipping insertion in model container [2022-10-16 16:54:44,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:39" (2/3) ... [2022-10-16 16:54:44,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af2b521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:54:44, skipping insertion in model container [2022-10-16 16:54:44,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:54:44" (3/3) ... [2022-10-16 16:54:44,693 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib-2.i [2022-10-16 16:54:44,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:54:44,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 16:54:44,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:54:44,849 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;@80e9c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:54:44,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 16:54:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 123 states have (on average 1.4308943089430894) internal successors, (176), 139 states have internal predecessors, (176), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-10-16 16:54:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 16:54:44,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:44,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 16:54:44,866 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 16:54:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 215742701, now seen corresponding path program 1 times [2022-10-16 16:54:44,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:44,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985547663] [2022-10-16 16:54:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:44,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:45,340 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 16:54:45,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:45,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985547663] [2022-10-16 16:54:45,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985547663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:45,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:45,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:45,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394130150] [2022-10-16 16:54:45,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:45,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:45,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:45,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:45,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:45,408 INFO L87 Difference]: Start difference. First operand has 211 states, 123 states have (on average 1.4308943089430894) internal successors, (176), 139 states have internal predecessors, (176), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) 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 16:54:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:45,562 INFO L93 Difference]: Finished difference Result 419 states and 685 transitions. [2022-10-16 16:54:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:45,565 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 16:54:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:45,580 INFO L225 Difference]: With dead ends: 419 [2022-10-16 16:54:45,580 INFO L226 Difference]: Without dead ends: 111 [2022-10-16 16:54:45,596 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 16:54:45,608 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:45,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 585 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:54:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-16 16:54:45,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2022-10-16 16:54:45,664 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 16:54:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2022-10-16 16:54:45,669 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 5 [2022-10-16 16:54:45,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:45,670 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2022-10-16 16:54:45,670 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 16:54:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-10-16 16:54:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:54:45,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:45,672 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:45,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:54:45,673 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 16:54:45,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1919977775, now seen corresponding path program 1 times [2022-10-16 16:54:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:45,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221909513] [2022-10-16 16:54:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:45,920 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 16:54:45,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221909513] [2022-10-16 16:54:45,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221909513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:45,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:45,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:45,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302833377] [2022-10-16 16:54:45,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:45,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:45,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:45,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:45,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:45,928 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 16:54:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:45,990 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2022-10-16 16:54:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:45,991 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 16:54:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:45,996 INFO L225 Difference]: With dead ends: 111 [2022-10-16 16:54:45,996 INFO L226 Difference]: Without dead ends: 110 [2022-10-16 16:54:45,997 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 16:54:46,006 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 16:54:46,008 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 16:54:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-10-16 16:54:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-10-16 16:54:46,029 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 16:54:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 153 transitions. [2022-10-16 16:54:46,031 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 153 transitions. Word has length 8 [2022-10-16 16:54:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:46,032 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 153 transitions. [2022-10-16 16:54:46,032 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 16:54:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 153 transitions. [2022-10-16 16:54:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 16:54:46,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:46,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:46,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:54:46,034 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 16:54:46,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:46,035 INFO L85 PathProgramCache]: Analyzing trace with hash -610232599, now seen corresponding path program 1 times [2022-10-16 16:54:46,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:46,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197395553] [2022-10-16 16:54:46,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:46,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:46,245 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 16:54:46,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:46,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197395553] [2022-10-16 16:54:46,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197395553] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:54:46,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319985207] [2022-10-16 16:54:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:54:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:46,253 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 16:54:46,271 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 16:54:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:46,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:54:46,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:54:46,493 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 16:54:46,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:54:46,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319985207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:46,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:54:46,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:54:46,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577438191] [2022-10-16 16:54:46,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:46,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:46,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:46,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:46,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:54:46,498 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 16:54:46,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:46,559 INFO L93 Difference]: Finished difference Result 217 states and 304 transitions. [2022-10-16 16:54:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:46,560 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 16:54:46,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:46,563 INFO L225 Difference]: With dead ends: 217 [2022-10-16 16:54:46,563 INFO L226 Difference]: Without dead ends: 121 [2022-10-16 16:54:46,565 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 16:54:46,567 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:46,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 285 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:54:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-10-16 16:54:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2022-10-16 16:54:46,582 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 16:54:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 164 transitions. [2022-10-16 16:54:46,585 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 164 transitions. Word has length 9 [2022-10-16 16:54:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:46,585 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 164 transitions. [2022-10-16 16:54:46,586 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 16:54:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2022-10-16 16:54:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 16:54:46,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:46,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:54:46,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 16:54:46,802 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 16:54:46,803 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 16:54:46,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:46,805 INFO L85 PathProgramCache]: Analyzing trace with hash -610230870, now seen corresponding path program 1 times [2022-10-16 16:54:46,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:46,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226485452] [2022-10-16 16:54:46,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:46,969 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 16:54:46,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:46,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226485452] [2022-10-16 16:54:46,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226485452] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:54:46,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558003774] [2022-10-16 16:54:46,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:46,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:54:46,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:46,973 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 16:54:46,991 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 16:54:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:54:47,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:54:47,207 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 16:54:47,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:54:47,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558003774] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:47,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:54:47,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 16:54:47,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973168276] [2022-10-16 16:54:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:47,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:54:47,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:47,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:54:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:54:47,210 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 16:54:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:47,257 INFO L93 Difference]: Finished difference Result 119 states and 164 transitions. [2022-10-16 16:54:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:54:47,257 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 16:54:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:47,259 INFO L225 Difference]: With dead ends: 119 [2022-10-16 16:54:47,259 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 16:54:47,260 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 16:54:47,262 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 21 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:47,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 388 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:54:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 16:54:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2022-10-16 16:54:47,274 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 16:54:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 158 transitions. [2022-10-16 16:54:47,276 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 158 transitions. Word has length 9 [2022-10-16 16:54:47,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:47,277 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 158 transitions. [2022-10-16 16:54:47,277 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 16:54:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2022-10-16 16:54:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 16:54:47,278 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:47,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:47,318 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 16:54:47,491 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 16:54:47,492 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 16:54:47,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:47,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1737341127, now seen corresponding path program 1 times [2022-10-16 16:54:47,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:47,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589039036] [2022-10-16 16:54:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:47,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:47,588 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 16:54:47,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:47,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589039036] [2022-10-16 16:54:47,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589039036] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:54:47,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135996137] [2022-10-16 16:54:47,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:47,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:54:47,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:47,590 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 16:54:47,615 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 16:54:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:47,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:54:47,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:54:47,787 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 16:54:47,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:54:47,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135996137] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:47,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:54:47,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:54:47,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307780220] [2022-10-16 16:54:47,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:47,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:47,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:47,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:47,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:54:47,790 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 16:54:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:47,816 INFO L93 Difference]: Finished difference Result 114 states and 158 transitions. [2022-10-16 16:54:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:47,817 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 16:54:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:47,818 INFO L225 Difference]: With dead ends: 114 [2022-10-16 16:54:47,818 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 16:54:47,819 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 16:54:47,820 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 16:54:47,821 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 16:54:47,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 16:54:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-10-16 16:54:47,831 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 16:54:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2022-10-16 16:54:47,833 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 10 [2022-10-16 16:54:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:47,833 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2022-10-16 16:54:47,834 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 16:54:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2022-10-16 16:54:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 16:54:47,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:47,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:54:47,873 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 16:54:48,048 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 16:54:48,049 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 16:54:48,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1787656210, now seen corresponding path program 1 times [2022-10-16 16:54:48,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:48,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727448279] [2022-10-16 16:54:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:48,179 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 16:54:48,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:48,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727448279] [2022-10-16 16:54:48,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727448279] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:54:48,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854340662] [2022-10-16 16:54:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:54:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:48,182 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 16:54:48,206 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 16:54:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:48,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:54:48,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:54:48,438 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 16:54:48,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:54:48,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854340662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:48,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:54:48,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:54:48,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248819428] [2022-10-16 16:54:48,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:48,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:48,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:48,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:48,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:54:48,442 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 16:54:48,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:48,471 INFO L93 Difference]: Finished difference Result 113 states and 157 transitions. [2022-10-16 16:54:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:48,472 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 16:54:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:48,474 INFO L225 Difference]: With dead ends: 113 [2022-10-16 16:54:48,474 INFO L226 Difference]: Without dead ends: 112 [2022-10-16 16:54:48,475 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 16:54:48,476 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 16:54:48,477 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 16:54:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-10-16 16:54:48,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2022-10-16 16:54:48,486 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 16:54:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 149 transitions. [2022-10-16 16:54:48,488 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 149 transitions. Word has length 17 [2022-10-16 16:54:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:48,488 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 149 transitions. [2022-10-16 16:54:48,489 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 16:54:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2022-10-16 16:54:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:54:48,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:48,496 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] [2022-10-16 16:54:48,538 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 16:54:48,711 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 16:54:48,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~$Pointer$Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2022-10-16 16:54:48,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:48,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1856016878, now seen corresponding path program 1 times [2022-10-16 16:54:48,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:48,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377947551] [2022-10-16 16:54:48,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:48,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms