./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3baf3e1382b3477cfa26255004191fb506be280 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3baf3e1382b3477cfa26255004191fb506be280 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:15,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:15,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:15,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:15,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:15,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:15,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:15,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:15,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:15,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:15,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:15,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:15,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:15,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:15,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:15,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:15,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:15,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:15,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:15,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:15,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:15,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:15,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:15,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:15,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:15,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:15,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:15,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:15,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:15,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:15,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:15,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:15,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:15,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:15,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:15,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:15,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:15,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:15,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:15,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:15,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:15,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 03:14:15,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:15,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:15,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:15,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:15,284 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:15,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:15,284 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:15,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:15,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:15,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:15,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:15,286 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:14:15,286 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:14:15,287 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:14:15,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:15,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:14:15,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:15,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:15,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:15,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:15,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:15,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:15,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:15,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:15,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:15,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:15,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:15,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:15,290 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:/tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-11-28 03:14:15,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:15,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:15,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:15,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:15,614 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:15,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-28 03:14:15,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/dddd69feb/85bbc0c36cec41f9a9c78dde48c63ebb/FLAGd745569ac [2020-11-28 03:14:16,360 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:16,360 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-28 03:14:16,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/dddd69feb/85bbc0c36cec41f9a9c78dde48c63ebb/FLAGd745569ac [2020-11-28 03:14:16,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/dddd69feb/85bbc0c36cec41f9a9c78dde48c63ebb [2020-11-28 03:14:16,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:16,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:14:16,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:16,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:16,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:16,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:16" (1/1) ... [2020-11-28 03:14:16,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecb44ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:16, skipping insertion in model container [2020-11-28 03:14:16,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:16" (1/1) ... [2020-11-28 03:14:16,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:16,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:17,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,118 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:17,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,234 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:17,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17 WrapperNode [2020-11-28 03:14:17,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:17,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:17,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:17,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:17,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:17,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:17,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 03:14:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 03:14:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 03:14:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 03:14:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 03:14:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 03:14:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 03:14:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 03:14:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 03:14:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-28 03:14:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-28 03:14:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-28 03:14:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 03:14:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 03:14:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 03:14:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 03:14:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 03:14:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 03:14:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 03:14:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 03:14:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 03:14:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 03:14:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 03:14:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 03:14:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 03:14:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 03:14:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 03:14:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 03:14:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 03:14:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 03:14:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 03:14:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 03:14:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 03:14:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 03:14:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 03:14:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 03:14:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 03:14:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 03:14:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 03:14:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 03:14:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 03:14:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 03:14:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 03:14:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 03:14:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 03:14:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 03:14:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 03:14:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 03:14:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 03:14:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 03:14:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 03:14:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 03:14:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 03:14:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 03:14:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 03:14:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 03:14:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 03:14:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 03:14:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 03:14:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 03:14:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 03:14:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 03:14:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 03:14:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 03:14:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 03:14:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 03:14:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 03:14:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 03:14:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 03:14:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 03:14:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 03:14:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 03:14:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 03:14:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 03:14:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 03:14:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 03:14:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 03:14:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 03:14:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 03:14:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 03:14:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 03:14:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 03:14:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 03:14:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 03:14:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 03:14:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 03:14:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 03:14:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 03:14:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 03:14:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 03:14:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:14:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:14:18,414 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:18,416 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-28 03:14:18,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18 BoogieIcfgContainer [2020-11-28 03:14:18,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:18,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:18,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:18,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:18,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:16" (1/3) ... [2020-11-28 03:14:18,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f84a1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (2/3) ... [2020-11-28 03:14:18,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f84a1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/3) ... [2020-11-28 03:14:18,447 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-11-28 03:14:18,471 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:18,476 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-28 03:14:18,490 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-28 03:14:18,513 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:18,514 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 03:14:18,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:18,514 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:18,514 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:18,514 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:18,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:18,515 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-28 03:14:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:14:18,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:18,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:18,539 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:18,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:18,546 INFO L82 PathProgramCache]: Analyzing trace with hash 666091848, now seen corresponding path program 1 times [2020-11-28 03:14:18,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:18,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146792667] [2020-11-28 03:14:18,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 03:14:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:18,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146792667] [2020-11-28 03:14:18,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:18,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:18,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470729497] [2020-11-28 03:14:18,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:18,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:18,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:18,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:18,874 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-11-28 03:14:18,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:18,948 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-28 03:14:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:18,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:14:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:18,956 INFO L225 Difference]: With dead ends: 18 [2020-11-28 03:14:18,956 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:14:18,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:18,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:14:18,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:14:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:14:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-11-28 03:14:18,997 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-11-28 03:14:18,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:18,998 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-11-28 03:14:18,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-11-28 03:14:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:14:18,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:18,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:18,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:18,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,000 INFO L82 PathProgramCache]: Analyzing trace with hash 666091849, now seen corresponding path program 1 times [2020-11-28 03:14:19,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836755476] [2020-11-28 03:14:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 03:14:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:19,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836755476] [2020-11-28 03:14:19,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:19,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:19,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290406083] [2020-11-28 03:14:19,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:19,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:19,134 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-11-28 03:14:19,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:19,216 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-28 03:14:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:19,217 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:14:19,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:19,217 INFO L225 Difference]: With dead ends: 12 [2020-11-28 03:14:19,218 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 03:14:19,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 03:14:19,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:14:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:14:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-28 03:14:19,222 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-11-28 03:14:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:19,222 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-28 03:14:19,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-28 03:14:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:14:19,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:19,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:14:19,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1176654068, now seen corresponding path program 1 times [2020-11-28 03:14:19,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529428598] [2020-11-28 03:14:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:19,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:19,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:19,389 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:19,390 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:14:19,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:14:19,411 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-28 03:14:19,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:19 BoogieIcfgContainer [2020-11-28 03:14:19,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:19,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:19,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:19,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:19,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/4) ... [2020-11-28 03:14:19,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:14:19,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:19,439 INFO L168 Benchmark]: Toolchain (without parser) took 2812.80 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 57.5 MB in the beginning and 75.2 MB in the end (delta: -17.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:19,441 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:19,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.51 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 54.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:19,444 INFO L168 Benchmark]: Boogie Preprocessor took 74.31 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 52.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:19,446 INFO L168 Benchmark]: RCFGBuilder took 1104.95 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.0 MB in the beginning and 79.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:19,448 INFO L168 Benchmark]: TraceAbstraction took 1005.23 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 75.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:19,450 INFO L168 Benchmark]: Witness Printer took 8.83 ms. Allocated memory is still 117.4 MB. Free memory was 75.5 MB in the beginning and 75.2 MB in the end (delta: 286.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:19,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 612.51 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 54.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.31 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 52.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1104.95 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.0 MB in the beginning and 79.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1005.23 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 75.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 8.83 ms. Allocated memory is still 117.4 MB. Free memory was 75.5 MB in the beginning and 75.2 MB in the end (delta: 286.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={-1:0}] [L534] data.str.p2 = &data VAL [data={3:0}, malloc(37U)={-1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={3:0}, malloc(37U)={-1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 41 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 17 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:22,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:22,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:22,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:22,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:22,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:22,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:22,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:22,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:22,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:22,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:22,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:22,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:22,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:22,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:22,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:22,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:22,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:22,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:22,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:22,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:22,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:22,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:22,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:22,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:22,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:22,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:22,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:22,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:22,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:22,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:22,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:22,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:22,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:22,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:22,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:22,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:22,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:22,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:22,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:22,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:22,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 03:14:22,438 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:22,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:22,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:22,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:22,441 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:22,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:22,441 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:22,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:22,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:22,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:22,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:22,442 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:14:22,443 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:14:22,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:22,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:22,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:22,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:22,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:22,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:22,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:22,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:22,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:22,446 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:14:22,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:14:22,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:22,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:14:22,446 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-11-28 03:14:22,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:22,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:22,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:22,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:22,935 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:22,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-28 03:14:23,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/70a26c400/06ff45c30c9444718712e87120178ae4/FLAG5fb05388b [2020-11-28 03:14:23,799 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:23,800 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-28 03:14:23,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/70a26c400/06ff45c30c9444718712e87120178ae4/FLAG5fb05388b [2020-11-28 03:14:24,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/data/70a26c400/06ff45c30c9444718712e87120178ae4 [2020-11-28 03:14:24,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:24,076 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:14:24,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:24,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:24,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:24,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f43d675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24, skipping insertion in model container [2020-11-28 03:14:24,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:24,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:24,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:24,505 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:24,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:24,666 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:24,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24 WrapperNode [2020-11-28 03:14:24,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:24,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:24,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:24,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:24,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... [2020-11-28 03:14:24,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:24,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:24,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:24,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:24,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 03:14:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 03:14:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 03:14:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 03:14:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 03:14:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 03:14:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 03:14:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 03:14:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 03:14:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 03:14:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 03:14:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 03:14:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 03:14:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 03:14:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 03:14:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 03:14:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 03:14:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 03:14:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 03:14:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 03:14:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 03:14:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 03:14:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 03:14:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 03:14:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 03:14:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 03:14:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 03:14:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 03:14:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 03:14:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 03:14:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 03:14:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 03:14:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 03:14:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 03:14:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 03:14:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 03:14:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 03:14:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 03:14:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 03:14:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 03:14:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 03:14:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 03:14:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 03:14:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 03:14:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 03:14:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 03:14:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 03:14:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 03:14:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-28 03:14:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:14:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 03:14:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:14:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:14:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-28 03:14:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:14:25,540 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:25,540 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-28 03:14:25,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:25 BoogieIcfgContainer [2020-11-28 03:14:25,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:25,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:25,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:25,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:25,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:24" (1/3) ... [2020-11-28 03:14:25,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582f4944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:25, skipping insertion in model container [2020-11-28 03:14:25,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:24" (2/3) ... [2020-11-28 03:14:25,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582f4944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:25, skipping insertion in model container [2020-11-28 03:14:25,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:25" (3/3) ... [2020-11-28 03:14:25,556 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-11-28 03:14:25,566 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:25,570 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-28 03:14:25,584 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-28 03:14:25,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:25,621 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 03:14:25,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:25,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:25,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:25,621 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:25,622 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:25,622 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-28 03:14:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:14:25,645 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:25,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:25,646 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash -632827618, now seen corresponding path program 1 times [2020-11-28 03:14:25,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:25,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306602172] [2020-11-28 03:14:25,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:25,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:14:25,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:25,946 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-11-28 03:14:25,947 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-11-28 03:14:25,947 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:14:25,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:14:25,960 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 03:14:25,961 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-11-28 03:14:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:25,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:26,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306602172] [2020-11-28 03:14:26,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:26,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:14:26,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734875289] [2020-11-28 03:14:26,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:26,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:26,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:26,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:26,035 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-11-28 03:14:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:26,138 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-28 03:14:26,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:26,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-28 03:14:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:26,147 INFO L225 Difference]: With dead ends: 18 [2020-11-28 03:14:26,148 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:14:26,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:14:26,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:14:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:14:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-11-28 03:14:26,186 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-11-28 03:14:26,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:26,187 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-11-28 03:14:26,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-11-28 03:14:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:14:26,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:26,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:26,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:14:26,412 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:26,415 INFO L82 PathProgramCache]: Analyzing trace with hash -632827617, now seen corresponding path program 1 times [2020-11-28 03:14:26,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:26,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35701989] [2020-11-28 03:14:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:26,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:14:26,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:26,632 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_27|]} [2020-11-28 03:14:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:14:26,643 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-11-28 03:14:26,644 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:14:26,660 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:14:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:14:26,672 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-28 03:14:26,674 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 03:14:26,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:14:26,688 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 03:14:26,689 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2020-11-28 03:14:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:26,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:26,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35701989] [2020-11-28 03:14:26,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:26,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 03:14:26,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602443590] [2020-11-28 03:14:26,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:26,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:26,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:26,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:26,799 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-11-28 03:14:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:26,888 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-28 03:14:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:26,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:14:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:26,891 INFO L225 Difference]: With dead ends: 12 [2020-11-28 03:14:26,892 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 03:14:26,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 03:14:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:14:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:14:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-28 03:14:26,895 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-11-28 03:14:26,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:26,896 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-28 03:14:26,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-28 03:14:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:14:26,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:26,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:27,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:14:27,114 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:27,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:27,114 INFO L82 PathProgramCache]: Analyzing trace with hash -509331102, now seen corresponding path program 1 times [2020-11-28 03:14:27,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:27,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215996887] [2020-11-28 03:14:27,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325555bf-4444-4d00-9efa-b8c25135405b/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:27,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:27,384 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:27,415 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:14:27,416 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:14:27,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:14:27,631 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-28 03:14:27,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:27 BoogieIcfgContainer [2020-11-28 03:14:27,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:27,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:27,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:27,645 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:27,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:25" (3/4) ... [2020-11-28 03:14:27,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:14:27,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:27,651 INFO L168 Benchmark]: Toolchain (without parser) took 3574.35 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 36.1 MB in the beginning and 61.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:27,652 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:27,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.03 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 30.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:27,655 INFO L168 Benchmark]: Boogie Preprocessor took 87.62 ms. Allocated memory is still 58.7 MB. Free memory was 30.3 MB in the beginning and 27.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:27,664 INFO L168 Benchmark]: RCFGBuilder took 785.68 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 44.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:27,665 INFO L168 Benchmark]: TraceAbstraction took 2101.15 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 61.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:27,666 INFO L168 Benchmark]: Witness Printer took 4.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.8 MB in the beginning and 61.4 MB in the end (delta: 428.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:27,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.03 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 30.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.62 ms. Allocated memory is still 58.7 MB. Free memory was 30.3 MB in the beginning and 27.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 785.68 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 44.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2101.15 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 61.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.8 MB in the beginning and 61.4 MB in the end (delta: 428.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={11:0}, malloc(37U)={1:0}] [L534] data.str.p2 = &data VAL [data={11:0}, malloc(37U)={1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={11:0}, malloc(37U)={1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 16 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 360 SizeOfPredicates, 5 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...