./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8 --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 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:59:21,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:59:21,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:59:21,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:59:21,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:59:21,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:59:21,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:59:21,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:59:21,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:59:21,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:59:21,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:59:21,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:59:21,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:59:21,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:59:21,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:59:21,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:59:21,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:59:21,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:59:21,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:59:21,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:59:21,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:59:21,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:59:21,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:59:21,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:59:21,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:59:21,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:59:21,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:59:21,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:59:21,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:59:21,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:59:21,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:59:21,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:59:21,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:59:21,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:59:21,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:59:21,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:59:21,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:59:21,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:59:21,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:59:21,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:59:21,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:59:21,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 18:59:21,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:59:21,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:59:21,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:59:21,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:59:21,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:59:21,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:59:21,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:59:21,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:59:21,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:59:21,168 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:59:21,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:59:21,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:59:21,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:59:21,170 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:59:21,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:59:21,171 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:59:21,171 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 [2022-12-13 18:59:21,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:59:21,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:59:21,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:59:21,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:59:21,370 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:59:21,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2022-12-13 18:59:23,908 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:59:24,118 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:59:24,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2022-12-13 18:59:24,128 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/76a12e293/aaaee535d2794fdaad98ac8f24d714e4/FLAGe436ea032 [2022-12-13 18:59:24,478 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/76a12e293/aaaee535d2794fdaad98ac8f24d714e4 [2022-12-13 18:59:24,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:59:24,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:59:24,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:59:24,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:59:24,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:59:24,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:59:24" (1/1) ... [2022-12-13 18:59:24,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407543e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:24, skipping insertion in model container [2022-12-13 18:59:24,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:59:24" (1/1) ... [2022-12-13 18:59:24,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:59:24,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:59:24,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:59:24,734 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-13 18:59:24,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2735f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:24, skipping insertion in model container [2022-12-13 18:59:24,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:59:24,735 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 18:59:24,736 INFO L158 Benchmark]: Toolchain (without parser) took 254.56ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 126.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:59:24,736 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 98.3MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:59:24,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.07ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 126.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:59:24,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 98.3MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.07ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 126.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8 --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 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:59:25,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:59:25,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:59:26,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:59:26,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:59:26,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:59:26,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:59:26,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:59:26,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:59:26,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:59:26,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:59:26,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:59:26,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:59:26,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:59:26,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:59:26,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:59:26,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:59:26,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:59:26,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:59:26,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:59:26,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:59:26,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:59:26,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:59:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:59:26,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:59:26,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:59:26,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:59:26,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:59:26,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:59:26,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:59:26,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:59:26,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:59:26,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:59:26,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:59:26,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:59:26,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:59:26,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:59:26,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:59:26,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:59:26,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:59:26,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:59:26,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-12-13 18:59:26,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:59:26,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:59:26,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:59:26,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:59:26,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:59:26,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:59:26,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:59:26,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:59:26,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:59:26,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:59:26,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:59:26,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:59:26,063 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:59:26,064 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 [2022-12-13 18:59:26,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:59:26,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:59:26,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:59:26,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:59:26,303 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:59:26,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2022-12-13 18:59:28,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:59:29,063 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:59:29,063 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2022-12-13 18:59:29,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/6463deff5/7f7e5ed3cccd4c21aef67b750c01ebfa/FLAG415cb8e73 [2022-12-13 18:59:29,083 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/data/6463deff5/7f7e5ed3cccd4c21aef67b750c01ebfa [2022-12-13 18:59:29,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:59:29,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:59:29,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:59:29,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:59:29,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:59:29,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6af6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29, skipping insertion in model container [2022-12-13 18:59:29,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:59:29,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:59:29,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:59:29,400 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 18:59:29,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:59:29,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:59:29,460 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:59:29,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:59:29,550 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:59:29,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29 WrapperNode [2022-12-13 18:59:29,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:59:29,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:59:29,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:59:29,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:59:29,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,594 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 31 [2022-12-13 18:59:29,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:59:29,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:59:29,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:59:29,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:59:29,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:59:29,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:59:29,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:59:29,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:59:29,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (1/1) ... [2022-12-13 18:59:29,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:59:29,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:59:29,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:59:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 18:59:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 18:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:59:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:59:29,761 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:59:29,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:59:29,860 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:59:29,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:59:29,865 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:59:29,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:59:29 BoogieIcfgContainer [2022-12-13 18:59:29,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:59:29,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:59:29,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:59:29,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:59:29,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:59:29" (1/3) ... [2022-12-13 18:59:29,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616af29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:59:29, skipping insertion in model container [2022-12-13 18:59:29,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:59:29" (2/3) ... [2022-12-13 18:59:29,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616af29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:59:29, skipping insertion in model container [2022-12-13 18:59:29,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:59:29" (3/3) ... [2022-12-13 18:59:29,872 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2022-12-13 18:59:29,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:59:29,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:59:29,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:59:29,922 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51f9f0aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:59:29,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 18:59:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:59:29,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:29,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:29,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:29,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1812086039, now seen corresponding path program 1 times [2022-12-13 18:59:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:29,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489141077] [2022-12-13 18:59:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:29,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:29,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:29,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:59:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:30,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 18:59:30,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:30,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:30,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:30,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489141077] [2022-12-13 18:59:30,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489141077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:30,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:30,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:59:30,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204263143] [2022-12-13 18:59:30,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:30,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:59:30,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:30,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:59:30,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:59:30,223 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:30,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:30,337 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2022-12-13 18:59:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:59:30,339 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 18:59:30,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:30,344 INFO L225 Difference]: With dead ends: 42 [2022-12-13 18:59:30,344 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 18:59:30,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:59:30,348 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 65 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:30,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 136 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:59:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 18:59:30,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2022-12-13 18:59:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 21 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-12-13 18:59:30,375 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 12 [2022-12-13 18:59:30,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:30,376 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 18:59:30,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-13 18:59:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:59:30,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:30,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:30,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:59:30,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:30,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:30,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:30,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1812026457, now seen corresponding path program 1 times [2022-12-13 18:59:30,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:30,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607791993] [2022-12-13 18:59:30,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:30,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:30,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:30,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:30,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 18:59:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:30,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:59:30,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:30,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:30,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:30,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607791993] [2022-12-13 18:59:30,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607791993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:30,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:30,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:59:30,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558878968] [2022-12-13 18:59:30,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:30,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:59:30,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:30,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:59:30,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:59:30,748 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:30,768 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2022-12-13 18:59:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:59:30,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 18:59:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:30,769 INFO L225 Difference]: With dead ends: 39 [2022-12-13 18:59:30,769 INFO L226 Difference]: Without dead ends: 39 [2022-12-13 18:59:30,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:59:30,771 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:30,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 87 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:59:30,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-13 18:59:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 28. [2022-12-13 18:59:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:59:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-12-13 18:59:30,776 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 12 [2022-12-13 18:59:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:30,777 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-12-13 18:59:30,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-13 18:59:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:59:30,777 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:30,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:30,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 18:59:30,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:30,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:30,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:30,982 INFO L85 PathProgramCache]: Analyzing trace with hash -69216122, now seen corresponding path program 1 times [2022-12-13 18:59:30,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:30,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072497905] [2022-12-13 18:59:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:30,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:30,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:30,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:30,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 18:59:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:31,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 18:59:31,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:31,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:31,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:31,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072497905] [2022-12-13 18:59:31,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072497905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:31,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:31,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:59:31,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358448670] [2022-12-13 18:59:31,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:31,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:59:31,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:31,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:59:31,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:59:31,124 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:31,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:31,148 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-12-13 18:59:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:59:31,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 18:59:31,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:31,149 INFO L225 Difference]: With dead ends: 30 [2022-12-13 18:59:31,150 INFO L226 Difference]: Without dead ends: 30 [2022-12-13 18:59:31,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:59:31,151 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:31,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 57 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:59:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-13 18:59:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2022-12-13 18:59:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:59:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-12-13 18:59:31,155 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 12 [2022-12-13 18:59:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:31,156 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-12-13 18:59:31,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-13 18:59:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:59:31,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:31,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:31,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 18:59:31,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:31,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:31,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash -340092307, now seen corresponding path program 1 times [2022-12-13 18:59:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:31,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110169097] [2022-12-13 18:59:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:31,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:31,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 18:59:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:31,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 18:59:31,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:31,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:31,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:31,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110169097] [2022-12-13 18:59:31,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110169097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:31,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:31,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:59:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699484012] [2022-12-13 18:59:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:31,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:59:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:59:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:59:31,604 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:31,794 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2022-12-13 18:59:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:59:31,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 18:59:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:31,795 INFO L225 Difference]: With dead ends: 36 [2022-12-13 18:59:31,795 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 18:59:31,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:59:31,796 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 53 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:31,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 84 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:59:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 18:59:31,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2022-12-13 18:59:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 26 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:59:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-12-13 18:59:31,799 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 13 [2022-12-13 18:59:31,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:31,799 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-12-13 18:59:31,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-12-13 18:59:31,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:59:31,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:31,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:31,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 18:59:32,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,002 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:32,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:32,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2147420526, now seen corresponding path program 1 times [2022-12-13 18:59:32,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:32,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351820282] [2022-12-13 18:59:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:32,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:32,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 18:59:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:32,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:59:32,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:32,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:32,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:32,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351820282] [2022-12-13 18:59:32,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351820282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:32,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:32,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:59:32,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580846531] [2022-12-13 18:59:32,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:32,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:59:32,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:59:32,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:59:32,124 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:32,137 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2022-12-13 18:59:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:59:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 18:59:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:32,138 INFO L225 Difference]: With dead ends: 29 [2022-12-13 18:59:32,139 INFO L226 Difference]: Without dead ends: 29 [2022-12-13 18:59:32,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:59:32,140 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 6 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:32,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 80 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:59:32,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-13 18:59:32,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2022-12-13 18:59:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:59:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-12-13 18:59:32,144 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 13 [2022-12-13 18:59:32,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:32,144 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2022-12-13 18:59:32,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-12-13 18:59:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:59:32,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:32,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:32,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 18:59:32,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:32,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1952926869, now seen corresponding path program 1 times [2022-12-13 18:59:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:32,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113546934] [2022-12-13 18:59:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:32,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:32,350 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:32,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 18:59:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:32,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 18:59:32,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:32,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 18:59:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:32,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:32,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:32,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113546934] [2022-12-13 18:59:32,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113546934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:32,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:32,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:59:32,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032870409] [2022-12-13 18:59:32,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:32,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:59:32,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:32,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:59:32,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:59:32,483 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:32,584 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-13 18:59:32,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:59:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:59:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:32,585 INFO L225 Difference]: With dead ends: 24 [2022-12-13 18:59:32,585 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 18:59:32,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:59:32,586 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:32,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 62 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:59:32,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 18:59:32,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 18:59:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:59:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 18:59:32,590 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2022-12-13 18:59:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:32,590 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 18:59:32,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 18:59:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:59:32,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:32,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:32,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 18:59:32,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,793 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:32,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:32,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2091935799, now seen corresponding path program 1 times [2022-12-13 18:59:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:32,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188179366] [2022-12-13 18:59:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:32,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:32,801 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:32,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 18:59:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:32,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:59:32,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:32,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:32,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:32,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188179366] [2022-12-13 18:59:32,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188179366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:32,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:32,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:59:32,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339481518] [2022-12-13 18:59:32,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:32,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:59:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:32,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:59:32,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:59:32,975 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:32,994 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2022-12-13 18:59:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:59:32,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:59:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:32,995 INFO L225 Difference]: With dead ends: 27 [2022-12-13 18:59:32,995 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 18:59:32,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:59:32,996 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:32,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:59:32,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 18:59:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 18:59:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2022-12-13 18:59:32,999 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 14 [2022-12-13 18:59:32,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:32,999 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2022-12-13 18:59:32,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2022-12-13 18:59:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:59:33,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:59:33,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:33,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 18:59:33,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:33,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-12-13 18:59:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:59:33,203 INFO L85 PathProgramCache]: Analyzing trace with hash -17303116, now seen corresponding path program 1 times [2022-12-13 18:59:33,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:59:33,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142215680] [2022-12-13 18:59:33,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:59:33,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:33,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:59:33,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:59:33,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 18:59:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:59:33,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 18:59:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:59:33,515 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_free_21_~p~1#1.base| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_free_21_~p~1#1.base| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_free_21_~p~1#1.base|)))) is different from true [2022-12-13 18:59:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:59:33,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:59:33,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:59:33,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142215680] [2022-12-13 18:59:33,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142215680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:59:33,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:59:33,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 18:59:33,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328367881] [2022-12-13 18:59:33,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:59:33,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 18:59:33,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:59:33,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 18:59:33,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=74, Unknown=1, NotChecked=16, Total=110 [2022-12-13 18:59:33,536 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:33,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:59:33,810 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-12-13 18:59:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:59:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-13 18:59:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:59:33,811 INFO L225 Difference]: With dead ends: 17 [2022-12-13 18:59:33,811 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:59:33,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=138, Unknown=1, NotChecked=24, Total=210 [2022-12-13 18:59:33,812 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:59:33,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 13 Unchecked, 0.1s Time] [2022-12-13 18:59:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:59:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:59:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:59:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:59:33,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-12-13 18:59:33,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:59:33,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:59:33,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:59:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:59:33,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:59:33,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2022-12-13 18:59:33,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2022-12-13 18:59:33,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2022-12-13 18:59:33,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-12-13 18:59:33,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 18:59:34,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:59:34,019 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:59:34,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:59:34,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:59:34 BoogieIcfgContainer [2022-12-13 18:59:34,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:59:34,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:59:34,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:59:34,024 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:59:34,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:59:29" (3/4) ... [2022-12-13 18:59:34,026 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:59:34,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-13 18:59:34,035 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 18:59:34,035 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:59:34,035 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:59:34,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:59:34,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:59:34,066 INFO L158 Benchmark]: Toolchain (without parser) took 4980.31ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 57.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-12-13 18:59:34,067 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:59:34,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.04ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 69.8MB in the end (delta: 3.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-13 18:59:34,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:59:34,067 INFO L158 Benchmark]: Boogie Preprocessor took 22.81ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 66.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:59:34,067 INFO L158 Benchmark]: RCFGBuilder took 247.86ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 53.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:59:34,068 INFO L158 Benchmark]: TraceAbstraction took 4155.62ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 60.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:59:34,068 INFO L158 Benchmark]: Witness Printer took 42.16ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:59:34,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.04ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 69.8MB in the end (delta: 3.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.81ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 66.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 247.86ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 53.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4155.62ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 60.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.16ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 586 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 13 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 152 mSDtfsCounter, 298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=4, InterpolantAutomatonStates: 55, 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, 8 MinimizatonAttempts, 37 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 99 ConstructedInterpolants, 12 QuantifiedInterpolants, 453 SizeOfPredicates, 31 NumberOfNonLiveVariables, 404 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:59:34,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e2c4aa-984b-41ce-949e-8fc971c400c2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE