./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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-8393723 [2022-11-18 19:34:55,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:34:55,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:34:55,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:34:55,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:34:55,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:34:55,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:34:55,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:34:55,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:34:55,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:34:55,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:34:55,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:34:55,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:34:55,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:34:55,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:34:55,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:34:55,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:34:55,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:34:55,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:34:55,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:34:55,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:34:55,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:34:55,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:34:55,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:34:55,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:34:55,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:34:55,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:34:55,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:34:55,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:34:55,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:34:55,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:34:55,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:34:55,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:34:55,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:34:55,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:34:55,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:34:55,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:34:55,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:34:55,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:34:55,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:34:55,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:34:55,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 19:34:55,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:34:55,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:34:55,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:34:55,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:34:55,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:34:55,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:34:55,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:34:55,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:34:55,414 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:34:55,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:34:55,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:34:55,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:34:55,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:34:55,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:34:55,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:34:55,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 19:34:55,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 19:34:55,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 19:34:55,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:34:55,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:34:55,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:34:55,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:34:55,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:34:55,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:34:55,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:34:55,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:34:55,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:34:55,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:34:55,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:34:55,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:34:55,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-11-18 19:34:55,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:34:55,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:34:55,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:34:55,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:34:55,824 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:34:55,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-18 19:34:55,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/572e4a888/ba4e08dac102489cac45963d90616798/FLAGf0bece637 [2022-11-18 19:34:56,531 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:34:56,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-18 19:34:56,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/572e4a888/ba4e08dac102489cac45963d90616798/FLAGf0bece637 [2022-11-18 19:34:56,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/572e4a888/ba4e08dac102489cac45963d90616798 [2022-11-18 19:34:56,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:34:56,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:34:56,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:56,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:34:56,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:34:56,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:56" (1/1) ... [2022-11-18 19:34:56,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33825773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:56, skipping insertion in model container [2022-11-18 19:34:56,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:56" (1/1) ... [2022-11-18 19:34:56,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:34:56,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:34:57,634 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-18 19:34:57,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:57,684 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) [2022-11-18 19:34:57,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ddebb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:57, skipping insertion in model container [2022-11-18 19:34:57,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:57,685 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:34:57,687 INFO L158 Benchmark]: Toolchain (without parser) took 954.70ms. Allocated memory is still 107.0MB. Free memory was 84.1MB in the beginning and 74.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,688 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:57,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.65ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 74.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.65ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 74.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1709]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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-8393723 [2022-11-18 19:35:00,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:35:00,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:35:00,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:35:00,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:35:00,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:35:00,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:35:00,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:35:00,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:35:00,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:35:00,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:35:00,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:35:00,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:35:00,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:35:00,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:35:00,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:35:00,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:35:00,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:35:00,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:35:00,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:35:00,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:35:00,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:35:00,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:35:00,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:35:00,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:35:00,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:35:00,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:35:00,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:35:00,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:35:00,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:35:00,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:35:00,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:35:00,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:35:00,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:35:00,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:35:00,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:35:00,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:35:00,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:35:00,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:35:00,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:35:00,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:35:00,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 19:35:00,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:35:00,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:35:00,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:35:00,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:35:00,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:35:00,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:35:00,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:35:00,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:35:00,246 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:35:00,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:35:00,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:35:00,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:35:00,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:35:00,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:35:00,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:35:00,249 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 19:35:00,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 19:35:00,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 19:35:00,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:35:00,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:35:00,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:35:00,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:35:00,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:35:00,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:35:00,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:35:00,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:35:00,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:35:00,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:35:00,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:35:00,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:35:00,252 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:35:00,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:35:00,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:35:00,253 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-11-18 19:35:00,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:35:00,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:35:00,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:35:00,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:35:00,710 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:35:00,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-18 19:35:00,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/e11848a8a/67083906e1e046638a640146b846a9c1/FLAGaad652f31 [2022-11-18 19:35:01,478 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:35:01,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-18 19:35:01,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/e11848a8a/67083906e1e046638a640146b846a9c1/FLAGaad652f31 [2022-11-18 19:35:01,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/data/e11848a8a/67083906e1e046638a640146b846a9c1 [2022-11-18 19:35:01,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:35:01,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:35:01,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:35:01,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:35:01,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:35:01,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:35:01" (1/1) ... [2022-11-18 19:35:01,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a17e6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:01, skipping insertion in model container [2022-11-18 19:35:01,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:35:01" (1/1) ... [2022-11-18 19:35:01,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:35:01,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:35:02,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-18 19:35:02,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:35:02,754 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 19:35:02,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:35:02,838 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-18 19:35:02,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:35:02,889 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:35:02,967 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-18 19:35:02,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:35:03,151 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:35:03,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03 WrapperNode [2022-11-18 19:35:03,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:35:03,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:35:03,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:35:03,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:35:03,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,232 INFO L138 Inliner]: procedures = 486, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 131 [2022-11-18 19:35:03,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:35:03,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:35:03,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:35:03,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:35:03,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:35:03,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:35:03,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:35:03,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:35:03,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (1/1) ... [2022-11-18 19:35:03,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:35:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:35:03,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:35:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:35:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:35:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 19:35:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 19:35:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 19:35:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:35:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:35:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:35:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:35:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 19:35:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-18 19:35:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-18 19:35:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:35:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 19:35:03,424 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:35:03,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:35:03,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:35:04,463 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:35:04,472 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:35:04,472 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:35:04,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:04 BoogieIcfgContainer [2022-11-18 19:35:04,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:35:04,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:35:04,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:35:04,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:35:04,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:35:01" (1/3) ... [2022-11-18 19:35:04,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b13c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:35:04, skipping insertion in model container [2022-11-18 19:35:04,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:35:03" (2/3) ... [2022-11-18 19:35:04,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b13c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:35:04, skipping insertion in model container [2022-11-18 19:35:04,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:04" (3/3) ... [2022-11-18 19:35:04,485 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-11-18 19:35:04,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:35:04,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2022-11-18 19:35:04,507 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:35:04,619 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 19:35:04,682 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 19:35:04,697 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 241 transitions, 498 flow [2022-11-18 19:35:04,701 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 241 transitions, 498 flow [2022-11-18 19:35:04,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 241 transitions, 498 flow [2022-11-18 19:35:04,815 INFO L130 PetriNetUnfolder]: 10/298 cut-off events. [2022-11-18 19:35:04,815 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 19:35:04,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 298 events. 10/298 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 720 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 171. Up to 4 conditions per place. [2022-11-18 19:35:04,826 INFO L119 LiptonReduction]: Number of co-enabled transitions 6440 [2022-11-18 19:36:12,383 WARN L233 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 135 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:36:24,914 WARN L233 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 135 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:36:46,458 WARN L233 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 147 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:36:58,706 WARN L233 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 147 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:37:19,824 WARN L233 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 166 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:37:33,929 WARN L233 SmtUtils]: Spent 10.56s on a formula simplification. DAG size of input: 175 DAG size of output: 162 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:38:05,273 WARN L233 SmtUtils]: Spent 26.20s on a formula simplification. DAG size of input: 227 DAG size of output: 226 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:38:18,987 WARN L233 SmtUtils]: Spent 13.71s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:38:56,526 WARN L233 SmtUtils]: Spent 37.54s on a formula simplification. DAG size of input: 228 DAG size of output: 227 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:39:17,184 WARN L233 SmtUtils]: Spent 20.66s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:39:37,130 WARN L233 SmtUtils]: Spent 19.40s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:39:56,431 WARN L233 SmtUtils]: Spent 19.30s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:40:16,587 WARN L233 SmtUtils]: Spent 20.15s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:40:36,216 WARN L233 SmtUtils]: Spent 19.63s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:44:11,747 WARN L233 SmtUtils]: Spent 3.59m on a formula simplification. DAG size of input: 272 DAG size of output: 265 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:45:32,047 WARN L233 SmtUtils]: Spent 1.34m on a formula simplification that was a NOOP. DAG size: 256 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:48:31,622 WARN L233 SmtUtils]: Spent 2.99m on a formula simplification. DAG size of input: 273 DAG size of output: 269 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:50:03,442 WARN L233 SmtUtils]: Spent 1.53m on a formula simplification that was a NOOP. DAG size: 260 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:50:03,480 INFO L134 LiptonReduction]: Checked pairs total: 25241 [2022-11-18 19:50:03,480 INFO L136 LiptonReduction]: Total number of compositions: 279 [2022-11-18 19:50:03,488 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 85 transitions, 186 flow [2022-11-18 19:50:03,646 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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) [2022-11-18 19:50:03,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:50:03,675 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=FINITE_AUTOMATA, 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;@28e52065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:50:03,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-18 19:50:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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) [2022-11-18 19:50:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-18 19:50:03,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:03,693 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-18 19:50:03,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:03,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash 831, now seen corresponding path program 1 times [2022-11-18 19:50:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:03,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205505681] [2022-11-18 19:50:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:03,714 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 [2022-11-18 19:50:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:03,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:03,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:03,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 19:50:03,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:03,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:03,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:03,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205505681] [2022-11-18 19:50:03,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205505681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:03,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:03,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-18 19:50:03,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016951060] [2022-11-18 19:50:03,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:03,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:50:03,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:03,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:50:03,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:50:03,923 INFO L87 Difference]: Start difference. First operand has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 19:50:05,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:50:05,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:05,957 INFO L93 Difference]: Finished difference Result 3185 states and 8707 transitions. [2022-11-18 19:50:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:50:05,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-18 19:50:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:06,005 INFO L225 Difference]: With dead ends: 3185 [2022-11-18 19:50:06,005 INFO L226 Difference]: Without dead ends: 3179 [2022-11-18 19:50:06,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:50:06,010 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:06,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 19:50:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2022-11-18 19:50:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3179. [2022-11-18 19:50:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 2534 states have (on average 3.430544593528019) internal successors, (8693), 3178 states have internal predecessors, (8693), 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) [2022-11-18 19:50:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 8693 transitions. [2022-11-18 19:50:06,281 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 8693 transitions. Word has length 1 [2022-11-18 19:50:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:06,282 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 8693 transitions. [2022-11-18 19:50:06,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 19:50:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 8693 transitions. [2022-11-18 19:50:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-18 19:50:06,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:06,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-18 19:50:06,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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)] Ended with exit code 0 [2022-11-18 19:50:06,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:06,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:06,508 INFO L85 PathProgramCache]: Analyzing trace with hash 26991, now seen corresponding path program 1 times [2022-11-18 19:50:06,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:06,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438991219] [2022-11-18 19:50:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:06,509 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 [2022-11-18 19:50:06,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:06,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:06,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:06,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:50:06,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:06,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:06,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:06,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438991219] [2022-11-18 19:50:06,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438991219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:06,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:06,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:50:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186323572] [2022-11-18 19:50:06,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:06,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:06,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:06,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:06,807 INFO L87 Difference]: Start difference. First operand 3179 states and 8693 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-18 19:50:08,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:08,705 INFO L93 Difference]: Finished difference Result 3191 states and 8704 transitions. [2022-11-18 19:50:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:08,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-11-18 19:50:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:08,727 INFO L225 Difference]: With dead ends: 3191 [2022-11-18 19:50:08,727 INFO L226 Difference]: Without dead ends: 3191 [2022-11-18 19:50:08,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:08,729 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:08,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 40 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 19:50:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2022-11-18 19:50:08,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 3177. [2022-11-18 19:50:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2534 states have (on average 3.429755327545383) internal successors, (8691), 3176 states have internal predecessors, (8691), 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) [2022-11-18 19:50:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 8691 transitions. [2022-11-18 19:50:08,868 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 8691 transitions. Word has length 2 [2022-11-18 19:50:08,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:08,868 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 8691 transitions. [2022-11-18 19:50:08,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-18 19:50:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 8691 transitions. [2022-11-18 19:50:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-18 19:50:08,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:08,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-18 19:50:08,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:09,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:09,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash 831212, now seen corresponding path program 1 times [2022-11-18 19:50:09,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:09,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594302527] [2022-11-18 19:50:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:09,091 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 [2022-11-18 19:50:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:09,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:09,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:09,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 19:50:09,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:50:09,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 19:50:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:09,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:09,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:09,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594302527] [2022-11-18 19:50:09,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594302527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:09,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:09,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:50:09,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496147299] [2022-11-18 19:50:09,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:09,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:09,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:09,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:09,633 INFO L87 Difference]: Start difference. First operand 3177 states and 8691 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:10,922 INFO L93 Difference]: Finished difference Result 3153 states and 8645 transitions. [2022-11-18 19:50:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-18 19:50:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:10,946 INFO L225 Difference]: With dead ends: 3153 [2022-11-18 19:50:10,946 INFO L226 Difference]: Without dead ends: 3153 [2022-11-18 19:50:10,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:10,953 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:10,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 8 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:50:10,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2022-11-18 19:50:11,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 3153. [2022-11-18 19:50:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3153 states, 2524 states have (on average 3.425118858954041) internal successors, (8645), 3152 states have internal predecessors, (8645), 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) [2022-11-18 19:50:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 8645 transitions. [2022-11-18 19:50:11,212 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 8645 transitions. Word has length 3 [2022-11-18 19:50:11,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:11,212 INFO L495 AbstractCegarLoop]: Abstraction has 3153 states and 8645 transitions. [2022-11-18 19:50:11,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 8645 transitions. [2022-11-18 19:50:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-18 19:50:11,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:11,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-18 19:50:11,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:11,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:11,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:11,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:11,420 INFO L85 PathProgramCache]: Analyzing trace with hash 831213, now seen corresponding path program 1 times [2022-11-18 19:50:11,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:11,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397043019] [2022-11-18 19:50:11,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:11,421 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 [2022-11-18 19:50:11,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:11,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:11,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:50:11,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:11,781 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 19:50:11,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 19:50:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:11,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:11,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:11,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397043019] [2022-11-18 19:50:11,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397043019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:11,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:11,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:50:11,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624421895] [2022-11-18 19:50:11,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:11,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:11,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:11,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:11,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:11,840 INFO L87 Difference]: Start difference. First operand 3153 states and 8645 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:13,549 INFO L93 Difference]: Finished difference Result 3141 states and 8611 transitions. [2022-11-18 19:50:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:13,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-18 19:50:13,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:13,566 INFO L225 Difference]: With dead ends: 3141 [2022-11-18 19:50:13,566 INFO L226 Difference]: Without dead ends: 3141 [2022-11-18 19:50:13,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:13,567 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 46 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:13,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 13 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 19:50:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2022-11-18 19:50:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 3129. [2022-11-18 19:50:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 2514 states have (on average 3.4204455051710423) internal successors, (8599), 3128 states have internal predecessors, (8599), 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) [2022-11-18 19:50:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 8599 transitions. [2022-11-18 19:50:13,697 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 8599 transitions. Word has length 3 [2022-11-18 19:50:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:13,697 INFO L495 AbstractCegarLoop]: Abstraction has 3129 states and 8599 transitions. [2022-11-18 19:50:13,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 8599 transitions. [2022-11-18 19:50:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-18 19:50:13,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:13,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-18 19:50:13,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:13,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:13,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:13,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash 834780, now seen corresponding path program 1 times [2022-11-18 19:50:13,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:13,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131920539] [2022-11-18 19:50:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:13,915 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 [2022-11-18 19:50:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:13,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:13,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:14,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:50:14,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:14,126 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 5 [2022-11-18 19:50:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:14,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:14,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:14,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131920539] [2022-11-18 19:50:14,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131920539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:14,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:14,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:50:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559290073] [2022-11-18 19:50:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:14,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:14,169 INFO L87 Difference]: Start difference. First operand 3129 states and 8599 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:15,842 INFO L93 Difference]: Finished difference Result 2561 states and 6975 transitions. [2022-11-18 19:50:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-18 19:50:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:15,858 INFO L225 Difference]: With dead ends: 2561 [2022-11-18 19:50:15,859 INFO L226 Difference]: Without dead ends: 2561 [2022-11-18 19:50:15,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:15,860 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 33 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:15,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 19 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 19:50:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-11-18 19:50:15,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2556. [2022-11-18 19:50:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2137 states have (on average 3.262517547964436) internal successors, (6972), 2555 states have internal predecessors, (6972), 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) [2022-11-18 19:50:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 6972 transitions. [2022-11-18 19:50:15,958 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 6972 transitions. Word has length 3 [2022-11-18 19:50:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:15,959 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 6972 transitions. [2022-11-18 19:50:15,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 6972 transitions. [2022-11-18 19:50:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-18 19:50:15,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:15,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-18 19:50:15,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:16,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:16,174 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:16,175 INFO L85 PathProgramCache]: Analyzing trace with hash 834672, now seen corresponding path program 1 times [2022-11-18 19:50:16,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:16,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826838172] [2022-11-18 19:50:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:16,176 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 [2022-11-18 19:50:16,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:16,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:16,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:16,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:50:16,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:16,369 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 [2022-11-18 19:50:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:16,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:16,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:16,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826838172] [2022-11-18 19:50:16,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826838172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:16,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:16,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:50:16,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118484776] [2022-11-18 19:50:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:16,397 INFO L87 Difference]: Start difference. First operand 2556 states and 6972 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:17,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:50:18,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:18,481 INFO L93 Difference]: Finished difference Result 2411 states and 6562 transitions. [2022-11-18 19:50:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:18,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-18 19:50:18,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:18,495 INFO L225 Difference]: With dead ends: 2411 [2022-11-18 19:50:18,495 INFO L226 Difference]: Without dead ends: 2411 [2022-11-18 19:50:18,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:18,496 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 45 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:18,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 13 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-18 19:50:18,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2022-11-18 19:50:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2411. [2022-11-18 19:50:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2042 states have (on average 3.2135161606268365) internal successors, (6562), 2410 states have internal predecessors, (6562), 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) [2022-11-18 19:50:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 6562 transitions. [2022-11-18 19:50:18,599 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 6562 transitions. Word has length 3 [2022-11-18 19:50:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:18,599 INFO L495 AbstractCegarLoop]: Abstraction has 2411 states and 6562 transitions. [2022-11-18 19:50:18,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 19:50:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 6562 transitions. [2022-11-18 19:50:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 19:50:18,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:18,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 19:50:18,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:18,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:18,821 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-11-18 19:50:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash 25768661, now seen corresponding path program 1 times [2022-11-18 19:50:18,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:50:18,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900080678] [2022-11-18 19:50:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:18,822 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 [2022-11-18 19:50:18,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:50:18,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:50:18,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac33d40-81e9-4534-b81a-a496bcd40386/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:50:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 19:50:19,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:19,031 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 [2022-11-18 19:50:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:19,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:19,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:50:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900080678] [2022-11-18 19:50:19,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900080678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:19,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:19,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:50:19,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430499203] [2022-11-18 19:50:19,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:19,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:50:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:50:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:50:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:19,105 INFO L87 Difference]: Start difference. First operand 2411 states and 6562 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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)